Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
Take it easy!
再见。
It won't happen again.
下不为例。
Every time he wanted to come into the garden he would bark until someone opened the gate.
每当它想到花园里来时，便汪汪叫个不停，直到有人把门打开。