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英语博客：Crocuses: a first sign of Spring!

The official first day of Spring came and went on 20th of the month. We've had a few very spring-like days, but usually the next day, it has returned to wintry weather. That's okay, though. There are signs that Spring is on its way. The birds are beg

发表于:2019-01-01 / 阅读(45) / 评论(0) 分类 英语博客 A cup of English

英语听力文摘 English Digest 491、蜜蜂也吃肉？

Carnivorous Bees 蜜蜂也吃肉？ I guess you never heard of Trigona hypogea, a South American bee that not only collects meat from animal carcasses, but has more recently been discovered to have a taste for live prey as well. Scientists have seen

发表于:2019-01-26 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 319、储存食物的动物

Food Caching 食物储存 Humans may be one of the smartest animals on the planet, but when it comes to remembering where things are, Clarks nutcrackers have us beat. A relative of jays and crows, nutcrackers hide pine seeds in the ground each autumn

发表于:2019-02-24 / 阅读(60) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 266、大灭绝

Coextinction 绝种是指生物群体逐渐消失的过程。物种和较大族群常态性的灭绝，并由更进步的形式所取代，这是进化的正常过程。然而，从化石的记录来看，有时会出现整个科目的动物和植物都

发表于:2019-03-09 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest
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