“你需要一个闹钟。”洪德先生说。

You need an alarm clock, replied Mr Hound.

youdao

他的朋友洪德先生正在影院门口等他。

His friend. Mr Hound, was waiting for him outside.

youdao

我们也需要遵从洪德规则，这是一个电子在进入第二个态之前，要进入每一个态。

We also need to follow Hund's rule, this is that a single electron enters each state before it enters a second state.

youdao

We also need to follow Hund's rule, this is that a single electron enters each state before it enters a second state.

我们也需要遵从洪德规则，这是一个电子在进入第二个态之前,要进入每一个态。

麻省理工公开课 - 化学原理课程节选