Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(201) / 评论(0) 分类 新东方背诵文选

The refrigerator temperature is too cold, she said. The vegetables are freezing. Can you turn the temperature up? He said, Sure. It's simple. Let me show you how. Then you can do it yourself. She said, Don't show me how. Just do it. You're so lazy. Y

发表于:2018-12-26 / 阅读(35) / 评论(0) 分类 英文短篇故事(纽约)

Cold front to drop temperatures in north China BEIJING, Oct. 20 (Xinhua) -- China's meteorological authorities on Saturday forecast strong winds and temperature drops in most regions in the north due to a sweeping cold front. On Saturday and Sunday,

发表于:2019-01-11 / 阅读(57) / 评论(0) 分类 英语新闻

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 英语杂谈

With all the concerns about global warming and climate change one might ask the question, Why don't species just adapt? Don takes the devil's advocate position and discusses this with Yael. D: Yael, we know global warming is bad, right? I mean, the t

发表于:2019-01-22 / 阅读(39) / 评论(0) 分类 英语时差8,16

饶舌:Tech N9NE - Check Yo Temperature 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的

发表于:2019-02-18 / 阅读(46) / 评论(0) 分类 节奏布鲁斯