文章列表

• 1.【英语时差8,16】生病了也可以运动？（上）
• Yael: Are you okay, Don? Don: Sorry,Yael . I just have a cold. Nothing, a little exercise can fix. Y: Wait, you're going to exercise even though you a...
• 2.【英语时差8,16】抗生素（下）
• Then the process begins again and those two cells divide into four. So in order to reproduce, the bacterial cell has to be constantly building new cel...
• 3.【英语时差8,16】让地球转起来（下）
• Whats true for skaters is also true for planets. Our Earth doesnt have arms, but it does have a lot of oceans, which tend to bulge out at the equator....
• 4.【英语时差8,16】抗生素（上）
• Antibiotics, as the name implies, work against life, or more specifically against living cells. Since our bodies are also made up of living cells, the...
• 5.【英语时差8,16】糖果的沸点（下）
• When you first heat sugar solution, it boils at a temperature specific to that particular sugar-water ratio. As the water boils out, the solution gets...
• 6.【英语时差8,16】动物界的染色体有何不同？（上）
• In mammals, the sex of a baby is determined by the combination of chromosomes it inherits from its parents. Nearly every cell in a male body has two d...
• 7.【英语时差8,16】让地球转起来（上）
• We all know that humans have quite a knack for changing the natural environment. In spite of this, you probably think some things are simply too funda...
• 8.【英语时差8,16】伪装大师—乌贼（下）
• They also put cuttlefish in tanks with a range of different checkerboard patterns to see how well they could differentiate between different colors or...
• 9.【英语时差8,16】青霉素的历史（上）
• Today, a fever is an uncomfortable nuisance, but a hundred-plus years ago, fevers were often fatal. The difference between the n and now is the class ...
• 10.【英语时差8,16】睡莲叶，伞叶树和葡萄树（上）
• Look closely at a lily pad sometime and youll see that its shape is different from virtually any other leaf. With most leaves, the stem attaches to on...