单词：angular-wheel
[网络] 圆锥齿轮；伞齿轮
单词：angular-wheel 相关文章
And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁， talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒，由于是在YouTube上，所以他用
TED演讲科技篇
The wheel on the bus 在公共汽车上 The wheels on the bus go round and round round and round, round and round The wheels on the bus go round and round All through the town The people on the bus go up and down Up and down, up and down The people o
优美儿童英语歌曲
My infant daughter began crying as I drove home from the store, and since she was harnessed to her safety seat in the back, I couldn't console her. Stopping for a red light, I turned around and waved my hands, calling her name to distract her. I gave
趣味英语
spinning one's wheel re-inventing the wheel 在今天的节目里我们再来给大家讲解两个由轮子,也就是wheel这个字组成的习惯用语。我们已经学过：at the wheel，就是开车
美国习惯用语
Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b
探索与发现2014年