Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
That's too good to be true.
天底下哪有这种好事。
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。