Sitefinder公司总裁亚伯拉罕(Al Abraham)说，我开着我老婆的货车不停地转圈，想把它弄下来，但它就是不掉下来。

'I did doughnuts [driving] my wife's van to try to knock it off. It wouldn't come off,' said Sitefinder President Al Abraham.

youdao

As t increases, this angle increases and the particle goes round and round.

随着 t 的增加,这个角度也在增大,这个质点不停地转圈

耶鲁公开课 - 基础物理课程节选