单词：phosphorus metabolism
单词：phosphorus metabolism 相关文章
DAVID GREENE, HOST: All right, let me give you a big reason to listen to this next story about a clam's metabolism - because the essential conclusion is it is better to be lazy. Here's NPR's Laura Wamsley. LAUREL WAMSLEY, BYLINE: Luke Strotz is a pal
2018年NPR美国国家公共电台8月
The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松（松树）制成, 在液体的石蜡
英国学生科学读本
Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢
2018年NPR美国国家公共电台2月
Researchers found the average Briton tells on average four lies every day or almost 1500 every year. 研究发现，每个英国人平均每天要说谎四次，或者每年约说谎1500次。 A spokesman for OnePoll, which carried out the research o
英语口语
I have tried a number of diets over the years. Eventually the same thing always happens: I fall off the diet-wagonHARD! 这些年我尝试过许多饮食。最终，同样的事情总会发生：我很难忍受住事物的诱惑！ Recently, I discov
实用英语
This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute. Americans have gained a lot of weight in the past few decades. Is it our sedentary lifestyle? The increase in processed foods and sweeteners? Supersize
Scientific American(五)月
This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R
Scientific American(十二)月
This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that
VOA慢速英语2008年（八）月
By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce
2007年VOA标准英语（七月）
MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w
2018年NPR美国国家公共电台7月
The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor
万物简史
Besides the fact that you'd literally die without it, there are many, MANY imperative reasons to drink water frequently, every single day. It starts out pretty mild - you might feel thirsty and have a dry mouth. But the long-term effects of not drink
阅读空间
Science and technology 科学技术 Obesity 肥胖 A wide spread problem 一个普遍的问题 The difficulty of losing weight is captured in a new model 新模式解读减肥难题 THE answer to obesity is obvious: eat less and exercise more. 减肥的
经济学人科技系列
The brains behind QI, the BBC quiz show, explore where and when coffee originated. Desert fruitEvery cup of coffee you drink owes its existence to a fruit that grew wild in the Yemeni desert. The Sufi mystics of Yemen were the first to roast and brew
实用英语
英国人素以绅士风度闻名，为了礼貌，英国人不得不把white lies挂在嘴边。最新研究证实，英国人平均每天要说谎四次！但是，我们从这些little lies中却可以学到不少短小精悍的地道口语表达。
英语口语
这些生词是需要大家把他们背住，转化成自己的托福听力词汇。 Incomplete缓考, meal plan食堂包月/周套餐, make-up test补考, guest speaker客座讲演者, section小班, on sabbatical 休假 Subsistence给养/食物, ki
托福英语
Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche
英语听力文摘 English Digest