她瞄得准，第一枪就打中了狮子。

Her aim was good and she hit the lion with her first shot.

《牛津词典》

就在那天，第一次有人在公交车上给我让了座，呵呵，小小的事情，让我开心了好久，我也第一次体会到做为（准）妈妈的荣耀。

That was the first time somebody offer her seat for me on the bus. That made me happy for a long time. And this was also my first time to feel mother's glory.

youdao

第一个问题仅是准直镜和聚光镜的设计。

One problem is simply the design of the collimator and condenser.

youdao

第一个问题仅是准直镜和聚光镜的设计。

One problem is simply the design of the collimator and condenser.

youdao