Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
And we're bringing the ketchup, mustard, relish--all that stuff.
我们还要带蕃茄酱， 芥末， 调味酱 ，诸如此类的东西。
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
Could you wait a few days for the money?
钱你能不能稍等几天？