Cannibalism Quells Contagion among Caterpillars 同类相食可防治传染病 Ben Van Allen collects caterpillars. 本 范 艾伦喜欢收集毛毛虫。 While doing postdoctoral research at Louisiana State University, 在路易斯安那州立大学做

发表于:2018-12-02 / 阅读(88) / 评论(0) 分类 2017年Scientific American(九)月

1.有趣的漫画 Can I have some blue berries, big bird. 大鸟,我能来点蓝莓吗? No,the berries are only for me.They are my own. 不行,这些浆果是我一个人的,只有我能享用。 Can I heve some leaves,tiny caterpillar? 小毛毛

发表于:2018-12-06 / 阅读(57) / 评论(0) 分类 Sight Word Kids 幼儿英语常见字5B

丹尼尔和阿美在期中考试中都取得了好成绩,所以今天妈妈带他们俩来欢乐谷,他们玩得还挺开心的,一起来看看吧。 Listen Read Learn May: Do you know how happy I am? The Ant Kingdom is a perfect world with colorful fairy tales. It seems like the air is fresh

发表于:2018-12-26 / 阅读(69) / 评论(0) 分类 英语口语大赢家

When it comes to wine, the concept of terroir is sort of a nebulous thing. Terroir is sometimes translated as the wines character. Here's how my friend Valerie, a wine importer, explained it: I would say terroir is a specific set of natural elements

发表于:2019-01-20 / 阅读(49) / 评论(0) 分类 2016年Scientific American(八)月

Animal Coloration Can Serve Double Duty Nature may be red in tooth and claw. But one plucky caterpillar dresses in orange and black to avoid becoming somebodys lunch. Whats really surprising, though, is that this distinctive set of stripes can serve

发表于:2019-02-14 / 阅读(157) / 评论(0) 分类 2018年科学美国人3月