Don: All right, Yael, you're a moth. And mating for you is a big deal because it takes eight or nine hours. So the last thing you want is for some predator to interrupt you and your mate in the act. Yael: I'm guessing that's true not just for moths.

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

Early-morning Shivers 清晨为何冷得发抖? 自然界、生物界都有它本身的特有的严谨的节律。人体的生物节律与自然节律相适应,人类才得以生存下来。地球上亿万年的昼来夜往,永不停息。人体的

发表于:2019-02-24 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest