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郑州市第一人民医院光子脱毛多少钱百度咨询

楼主:好医健康 时间:2019年09月23日 22:41:36 点击:0 回复:0
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For all their importance,最重要的是they#39;re actually the simplest of life forms,他们实际上是最简单的生命种类nothing more than bacteria.不比细菌的细胞多When you get up close you can see当你靠近观察that it#39;s only the outer part that#39;s alive.就只有外面这一部分是活着的It#39;s a layer of bacteria that secretes a thin film of slime这一层细菌分泌一层薄薄的粘液which builds up layer upon layer.一层接一层粘合起来It might not look like it,它虽然看起来不怎样but these are the most successful Life forms on the planet.不过这些是地球上最成功的生命种类These stromatolites have been around叠层石诞生至今for 3,500 million years.已经三十五亿年了That#39;s three-quarters of the age of the planet.相当于地球四分之三的年纪And yet when they first evolved almost three billion years ago,同时它们第一次进化是在超过三十亿年前these simple life forms began one of the most important transformations这些简单生命类型开始最重要的变形the planet has ever seen.地球目睹了这一切These stromatolites are special这些叠层石是特别的because they did something that was quite extraordinary.因为它们做了非常特别的事情As they took in the sunlight and photosynthesised,它们吸收阳光和进行光合作用they broke down the chemical bonds in water分解水的化学键releasing something that would completely change the planet.生成一些能彻底改变地球的东西They released oxygen.它们生成氧气 Article/201509/399979Coffee is a brewed drink.咖啡是一种煮制的饮料It is prepared from roasted seeds of the coffee plant.它是由烤过的咖啡树种子制的The plant itself is like a shrub or small tree.这种植物像灌木或者小树The coffee beans are inside a red or purple fruit.咖啡豆长在一种红色或紫色的果实中Coffee is often known for its high caffeine content.咖啡因其高咖啡因含量而闻名Coffee is grown all over the world.世界各地均有种植咖啡Some larger producers are Hawaii, Indonesia,一些较大的产地有夏威夷,印度尼西亚Colombia, Mexico, Guatemala,哥伦比亚,墨西哥,危地马拉Kenya, Puerto Rico and Brazil.肯尼亚,波多黎各和巴西One important thing to note is that很重要的一点我们需要注意的是coffee can be broken into two distinct categories;咖啡可以划分为两个品种Arabica and Robusta.阿拉比卡和罗布斯塔Arabica coffee comes from阿拉比卡咖啡产自high altitudes and is of high quality.高海拔地区,品质较高This type of coffee would be found巴西和哥伦比亚的种植的in Brazil and Colombia.就是这种咖啡Robusta is from lower altitudes and has a hearty taste.罗布斯塔产自低海拔地区,口味浓厚This would be found in Kenya.肯尼亚种植的是这种咖啡In general coffee consumption has been found通常饮用咖啡对于to provide a weak protective effect多种癌症有微弱的against a variety of cancers.预防作用Coffee is comprised of咖啡含有a wide variety of chemical compounds很多种化学成分which give it the range of aromas这些化学成分使它有很多种and tastes that consumers enjoy.饮用者喜爱的香气和口味It is likely that some of these compounds很可能是这其中一些成分contribute to the health benefits of coffee.令咖啡对健康有益Coffee contains two specific diterpenes;咖啡含有两种特殊的二萜类物质cafestol and kahweol which are unique to the coffee bean咖啡油醇和咖啡豆醇,它们是咖啡豆独有的Diterpenes belong to二萜是a large and varied class of hydrocarbons.数量众多种类纷繁的碳氢化合物中的一类It has been proposed that有人认为compounds in coffee such as these may contribute to咖啡中的这些成分可能the anti-carcinogenic effect of coffee.令其具有抗癌效果Coffee, like tea, also contains polyphenols.像茶一样,咖啡也含有多酚Lignins and flavonoids are found in coffee人们发现咖啡中有木质素和类黄酮and both are known to have anti-carcinogenic properties.这两种物质都具有抗癌特性Another component of coffee is chlorogenic acid.咖啡的另一个成分是绿原酸Chlorogenic acid may be associated with moderating绿原酸可能与the rate of glucose release into the blood stream减缓葡萄糖向血液的释放速率after a meal and increasing insulin sensitivity.及提高胰岛素敏感性有关Both of these effects would这两种作用都be beneficial in protecting from diabetes.有利于预防糖尿病Chlorogenic acid also has antioxidant effects绿原酸也具有which may reduce cancer risk.可能降低癌症患病几率的抗氧化作用In a recent review by the science纵观近期科学界associated with coffee consumption and cancer risk对于咖啡摄入量和患癌几率的一系列研究it was found that发现drinking more than 3 cups of coffee per day每天喝三杯以上咖啡was associated with a slight increase会使某种特定形式的in a specific form of gastric cancer胃癌发病率轻微上升but not with other forms of gastric cancer.但不会影响其他形式的胃癌Cancers of the pharynx, larynx and esophagus咽,喉及食道的癌症发病几率were not affected by consumption of coffee.不受咖啡摄入的影响To investigate the relationship为了研究between coffee consumption and colorectal cancer饮用咖啡和直肠癌间的关系a team of researchers from Harvard Medical School一组哈佛医学院的研究者们比较了两组数据compared data from the nurse#39;s health study其中一组数据来自which was comprised of women女性护士健康调查and the health professional#39;s study另一组来自男性which was comprised of men.专业保健人士的研究 Article/201506/383039Russia says it has stepped up airstrikes against ISIL militants after the Kremlin accepted that it was a bomb that brought down a Russian airliner over Egypt last month killing all 224 people on board.俄罗斯表示,克林姆林宫确定上个月造成224人遇难的客机坠毁事件系炸弹引起,已加强对ISIL武装分子的打击。President Vladimir Putin visited the Russian Defence Ministry’s command centre on Tuesday evening and told his military to cooperate with France.星期二晚上,总统普京弗访问俄罗斯国防指挥中心,并告诉军方与法国合作。Very soon a French navy fleet, headed by an aircraft carrier, will arrive in your area of operation. You need to establish a direct contact with the French and work with them as allies.不久由航母领航的法国海军舰队将到达行动区域。你们需要与法国建立直接联系,并与他们成为盟友。Putin has vowed to hunt down those responsible for the bombing of its airliner over Sinai.Until Tuesday Russia had played down the assertion from other Western countries that the plane was destroyed by an explosion.普金誓言追捕西奈客机爆炸事件负责人。直至周二俄罗斯对西方国家认为飞机是被炸毁的主张轻描淡写。But at a news conference in Sharm-al-Sheik, the Egyptian government was still hesitating to say there was anything wrong with its security procedures.但在Sharm-al-Sheik新闻发布会上,埃及政府还在不愿承认安全程序有什么不对。When we discover that there was a security lapse we’ll take the necessary measures. However up until now there is no evidence there was any lapse in travel procedures or security inspections.当我们发现安全失效,我们将采取必要措施。然而,到现在为止还没有据表明旅行程序或安全检查有任何错误。But Egypt did say it would work with Russia to combat terrorism and increase international cooperation on the issue. As far as its own investigation is concerned it said it still had not reached a conclusion.但埃及表示将与俄罗斯合作打击恐怖主义,并在这一问题上加大国际合作。就其本身调查而言还没有得出结论。译文属。 /201511/410631Renovo, Pennsylvania is what happens at the end of the railway line宾夕法尼亚州的雷诺沃位于铁道线的终点when the trains don#39;t come any more,火车已不再驶来but the town is rich in something rare and precious.但是这个小镇却有很多稀有而珍贵的东西Beneath the trees are swathes of red Devonian sandstone.森林的下面是红色的泥盆纪沙岩断层So in 1993 along came a lone fossil hunter. He is called Ted Daeschler.1993年,一位化石专家独自来到这里。他名叫Ted DaeschlerDaeschler made his name finding two more new Devonian tetrapod species in a roadside cutting called Red Hill,Daeschler为两种新发现的泥盆纪四足动物起了名字,它们是在被称为“红丘”的路边断壁上发现的but the thing that took both him and Red Hill into fossil hunting legend不过使他和红丘在化石搜寻界一举成名的原因was when he examined one of the site#39;s peculiar features.却是他对这里一处独特地貌的分析In amongst all the red rock was a broad green layer.在所有红色岩层中,都有一个宽阔的绿色地层OK, the majority of the rock out here at Red Hill of course is red.红丘中的大部分岩石当然都是红色的Climbing up through sandstones, silt here, sandstones and mudstones一路往上爬,可以看到沙岩,这是淤泥,沙岩和泥岩right into this zone up here we start with a green layer.到了这一地带,我们开始见到绿色地层It#39;s reduced probably because of all of the plant material that#39;s buried within the rock here.它们变成这样很可能是因为岩层中埋有各种各样的植物 Article/201703/497276

At least seven migrants, including a young child, have died after their boat sank off the coast of Libya.一轮船在利比亚海岸沉没,造成包括一名孩子在内的七人死亡。More than 100 people were rescued by a passing oil tanker.100多人被一艘经过的油轮救出。The group had been attempting to cross the Mediterranean to Europe.船上人群试图穿过地中海前往欧洲。The Libyan tanker docked in Tripoli, where Red Crescent workers helped survivors. Some of them suffered serious injuries during their ordeal.利比亚油轮停靠在的黎波里,那里红新月会会帮助幸存者。其中有些人伤势严重。They are among the latest migrants trying to make a daring life-or-death trip across the water.他们是最新的一批移民者,穿过海域踏上生死攸关之旅。Last month, at least 37 people were killed when a boat sank off the Libyan coast. That incident came just days after another sinking left some 200 people dead.上个月,利比亚海岸一艘轮船沉没造成37人遇难。就在该事件前几日,另一次沉船事故造成200人死亡。Lawless Libya has turned into a major transit point for those fleeing conflict and poverty in Africa and the Middle East.法律不及的利比亚已成为非洲与中东国家人们逃离冲突与贫困的一个主要中转站。译文属。 /201509/399760

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