万一发生事故时，座椅带能保护驾驶员和乘客，同时减少碰撞对人体的冲击。

Seat belts protect drivers and passengers in case of accident. They also reduce the effect of a crash on the body.

youdao

当两个发射站同时发射产生了数据碰撞时，这个重发制度能保证双方的数据最终都能发射出去。

When a collision occurs because two stations transmit at the same time, the retransmissions make sure that the data gets across eventually.

youdao

所以在碰撞后，几乎同时，在这儿的电子又回去了。

So what happens almost instantaneously after the collision, the electron up here falls back down.

youdao

So what happens almost instantaneously after the collision, the electron up here falls back down.

所以在碰撞后,几乎同时，在这儿的电子又回去了。

麻省理工公开课 - 固态化学导论课程节选