真正使人感到害怕的却是在门下爬行的毒蛇。

What one fears is the serpent that crawls underneath it.

youdao

在婚姻初期，艾米莉每天下午在门下放一块木楔让门开着。

At the beginning of the marriage, Emily put a wedge of wood under the door to keep it open on every afternoon.

youdao

你在南门下车怎么样，然后我另外找个地方停车。

What about dropping you at the south gate and I'll find parking somewhere else.

youdao

Heisenberg gets his PhD with Sommerfeld in Munich and then goes to Copenhagen to work with Bohr.

在慕尼黑的索末菲门下取得了博士学位,然后又去了哥本哈根,和波尔一起工作。

麻省理工公开课 - 固态化学导论课程节选