单词：grommet shoal
单词：grommet shoal 相关文章
Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu
新概念英语第四册
apparatus 仪器 appreciation 理解 bat 蝙蝠 curiosity 好奇 elapse 消逝 herring 鲱鱼 hull 船体 interval 间隔 obstacle 障碍 obstruction 障碍物 receipt 收到 shoal 鱼群 similar 相似的 squeak 尖叫声 steer clear of 避开 stric
新概念英语第四册单词MP3
Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r
新概念英语85年上外美音版
By Noel King Akobo, Southern Sudan 22 August 2006 Disarming small militias is an ongoing problem in southern Sudan. Following a proliferation of arms during Sudan's 21-year civil war, rival villages in the region armed themselves, leading to violent
2006年VOA标准英语（八月）
Science and technology 科学技术 Collective behavior 集体行为 Follow my leader 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselv
经济学人科技系列
Science and Technology Collective behaviour 科技 集体行为 A group's intelligence depends in part on its members' ignorance 集体的智商部分取决于成员的无知 HUMAN beings like to think of themselves as the animal kingdom's smartest a
经济学人科技系列
Technology Collective behavior Follow my leader 科技 集体行为 跟领导走 A group's intelligence depends in part on its members'ignorance 群体智慧部分依赖于群体成员的愚昧 HUMAN beings like to think of themselves asthe animal ki
经济学人科技系列