单词：vespa ducalis
姬虎头蜂；双金环虎头蜂；黑尾胡蜂
单词：vespa ducalis 相关文章
On a walk or bike ride home from the grocery store, a new robot is designed to carry your groceries. Following a few feet behind, it can navigate a crowded urban sidewalk while you walk unencumbered. Once you teach it the route, it can also go back t
发表于:2018-12-12 / 阅读(99) / 评论(0)
英语笔译
英语笔译
Orchids are botany's great mimics, all in the service of getting pollinated. Some have evolved to resemble female wasps to attract males. Others produce odors that smell like potential mates or like more attractive flowers. Now a study published in t
发表于:2019-01-08 / 阅读(138) / 评论(0)
Scientific American(八)月
Scientific American(八)月