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大良容桂伦教勒流街道看前列腺炎好吗佛山顺德区治疗男性不育哪家医院最好Alien life could range from simple,外星生物可能还在进化初期green slime that doesn#39;t do much but drip如一些沿石壁流下的绿色粘液 to more advanced animals something with a bit more bite.也可能是相当高等的动物,例如啮齿类动物But, of course, that#39;s just the start of what could be out here.但当然,这不过是最初的猜想In such a massive universe,在如此浩瀚的宇宙中 it#39;s logical to wonder if there are intelligent beings,我们自然会想,是否有智能生物存在perhaps even civilizations like those in science-fiction TV shows and movies.或许还有科幻片里描绘的外星文明;Star Wars; and ;Star Trek,; two of my personal favorites,《星球大战》与《星际迷航》这两部我最爱的电影may be closer to reality than we think.或许远比我们的想象更贴近现实Similar scenarios are at least conceivable.至少很可能拥有相似的情节But think about it more, and even this is limiting the options.但若深思,这其实也大大缩小了现实的可能There could be life forms so strange他们可能外表太过稀奇古怪we wouldn#39;t even recognize them as life.以至我们都认不出那是生物Perhaps there are really exotic creatures that live in center of stars亦或许他们习性奇特,居然生存在恒星的内部or even huge communities of microorganisms他们甚至可能是像宇宙尘埃一般的that look like clouds of cosmic dust.庞大的微生物群落Maybe aliens live and die so fast也许外星生物的生命如此短暂that they come and go in the blink of an eye.由生到死,不过转瞬So in such a vast universe with so many possibilities,总之在如此浩瀚的宇宙中,存在着无尽可能how do we know what to look for or,我们如何知晓要寻找的究竟为何物for that matter, where to look for it?更何况,又该从何入手呢The answer is right back where we began.一切都要回到人类起源之处去探寻The information we need is here at home,我们所需的线索,都在地球之上for the simple reason that home harbors the only known examples of life.只因为唯有此地育着为人所知的生命The laws of physics appear to be the same everywhere,物理学法则似乎放之四海而皆准So it follows that the laws of life should be universal, too.以此类推,生命法则也应如是Even if the detail is different,即使细枝末节或有不同We can use life on earth我们可将地球上生物 as a kind of alien hunters#39; handbook.作为一本了解外星生命的指南手册A field guide to what life actually is, and how it works来引导我们了解生命本质及其机理no matter where it occurs.无论它起源于何处 Article/201505/376173西南街道云东海旅游迳口华侨经济区治疗性功能障碍哪家医院最好 Spiders eat a lot—like, as much or more than humans do.蜘蛛的食量很大,甚至吃的比人类还多。A study found the arachnids down between 400 million and 800 million metric tons of prey every year.研究发现蜘蛛每年吞食掉4亿至8亿公吨的猎物。Let#39;s put that in perspective. Whales are thought to eat about 280 million to 500 million metric tons of prey a year. And humans eat around 400 million metric tons of meat and fish annually.让我们客观来看,鲸鱼每年吃掉2亿8000万到5亿公吨的猎物。人类每年大约吃4亿公吨的肉和鱼。If you#39;re wondering why all of this matters, imagine if spiders didn#39;t get rid of at least 400 million metric tons of bugs every year. Enough said.如果你想知道为什么这一切那么重要,想象一下如果蜘蛛每年没有消灭掉至少4亿公吨的昆虫会怎么样。无须多讲。But in more serious terms, this matters because scientists have quantified how big of a role the eight-legged critters play in the global ecosystem.但更为重要的是,科学家已经量化了这个八条腿的动物在全球生态系统中起了多大作用。And spiders are apparently pretty difficult to track. Some are nocturnal, and others are just really good at hiding.显然,蜘蛛很难追踪。有些是夜行性的,其它一些则擅长隐藏。Ultimately, the authors point out, these findings show spiders are ;major natural enemies of insects; and help limit population sizes.最后作者指出,这些发现表明蜘蛛是昆虫的主要天敌,有助于限制种群数量。Another fun fact: Spiders have a population density up to 1,000 spiders per square meter. So there are probably a few around you right now.另一个有趣的事实是蜘蛛的密度为每平方米高达1,000只蜘蛛。所以现在大概有几只就在你身边。译文属。 Article/201703/498304佛山医院挂号预约

佛山看软下疳医院佛山市名仕医院割包皮手术价格 栏目简介:《英语视频之Top5》是英语视频听力下的子栏目,栏目包含中英字幕,而且能够了解世界上5大新奇或者有意思的事物,比如美军飞行器、社交媒体、核武器等,通过简单有趣的讲述,能够提高学习英语的兴趣,积累一些英语知识,是比较生动的英语学习材料。 Article/201510/400359佛山名仕医院尿科

佛山市妇幼保健院男科挂号Gum disease is caused by the buildup of plaque along the gum line, which releases toxins that irritate the gums and cause them to become inflamed. Prevent gum disease by keeping your gums healthy.牙龈疾病是由于牙菌斑沿着龈线累积造成的。牙菌斑会释放出毒素,刺激牙龈,导致牙龈发炎。保持牙龈健康,预防牙龈疾病。You Will Need你需要Electric toothbrush电动牙刷Dental floss牙线Low sugar consumption低糖食品Dentist牙医Mouth rinse口腔清洗剂Steps步骤Step 1 Brush your teeth1.刷牙Brush your teeth following each meal. Use a quality electric toothbrush to effectively massage your gums.每餐餐后刷牙。使用质量比较好的电动牙刷,有效牙龈。If bleeding occurs while brushing, adopt a more vigorous brushing and flossing regimen, and have your teeth professionally cleaned.如果刷牙的时候出血,采取更加充满活力的刷牙和洁牙方法,对牙齿进行专业的清洁。Step 2 Reduce your sugar consumption2.减少糖的摄入量Reduce your consumption of sugar, which promotes the growth of plaque.减少糖的摄入量,因为糖会促进牙菌斑的生成。Step 3 See the dentist3.看牙医Maintain regular visits to the dentist. Go at least twice a year.经常看牙医,每年至少两次。Step 4 Use a mouth rinse4.使用口腔清洗剂Use a mouth rinse containing the antimicrobial agent chlorhexidine to remove excess bacteria. Now you#39;re on your way to getting your smile back.使用含有抗菌药双氯苯双胍己烷的口腔清洗剂来清除多余的细菌。现在,你很快就可以重新闪耀迷人的微笑了。A study published in the Journal of Periodontology in 2009 reported that the routine intake of green tea may help promote healthy teeth and gums.2009年,《牙周病学杂志》上发表的一份研究报道称,经常饮用绿茶可以促进牙齿和牙龈健康。视频听力栏目译文属。 /201410/333210 New progress in testing re-entry vehicle探月工程再入飞行器测试取得新进展China#39;s State Administration of Science, Technology and Industry for National Defense on Saturday announced new progress in the country#39;s moon exploration program.周六国家国防科技工业总局宣布中国探月工程 取得新进展。A re-entry vehicle, launched last October as an experimental aircraft in preparation for the third phase lunar mission, has finished testing technologies necessary for Chang#39;e 5, a future space probe that will return to Earth with soil samples from the moon.一架作为实验性质的再入飞行器于去年10月登陆月球为第三阶段探月任务进行准备。目前它已为嫦娥五号完成必要的技术测试。而后者将会成为未来的太空探测器并从月球带回土壤样本。The re-entry vehicle, created for test purposes, will continue to carry out new operations, to ensure the reliability of technologies that will be deployed during the next lunar exploration.这架出于测试为目的而建造的再入飞行器将继续踏上新的旅程以确保未来探月计划实施开展的技术可靠性。 Article/201503/363311广东省人民医院平洲分院泌尿外科佛山 治阳痿早泄多少钱



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