Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
The mall's packed today.
今天商场里的人很多。
Will you please lock the door when you leave?
请您当你离开时，锁门？
Considering the amount she paid, he was dear in more ways than one!
想到她所花的那笔钱，她的心疼就具有双重意义了。