Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
It's all my fault. I'll try to make it up to you.
这事儿全怪我。 我会尽力补救。
Work hard, otherwise you'll be sorry.
努力用功，否则你会后悔的。
a brighter promise for the hopeful traveller who has sworn to get away from it all.
而对于发誓用露营来摆脱烦恼的人来说，却带来了更光明的前景。