Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
I bet you were cute.
我打赌 ，当时很逗人喜爱。
A courageous foe is better than a cowardly friend.
勇敢的敌人胜过懦怯的朋友。
How long has Kate been at her school?
凯特进校学习有多长时间了？