“我相信爷爷知道的。”海蒂跳起来反驳道。

"I am sure grandfather knows," Heidi retorted, jumping up.

youdao

海蒂突然哭了起来，大声地抽泣着。

Heidi burst out crying now and sobbed aloud.

youdao

海蒂的脸突然亮了起来。

Heidi's face suddenly shone.

youdao

Well, Fahrenheit came along and thought, well, you know, 7-1/2, that's kind of silly; 22-1/2 that's, kind of silly So let's multiply everything by four.

然后华伦海特来了，他想，7。5，听起来有些犯傻;,22。5，那也够傻的,我们还是把所有的东西乘以四吧。

麻省理工公开课 - 热力学与动力学课程节选