Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
When you go to a new school it takes a while to know the ropes.
到一所学校读书要花一段时间熟悉情况。
I did composition last month.
我上个月做作文。
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。