Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
From hearing comes wisdom; from speaking, repentance.
多听增智慧，多言生后悔。
Yes, I am.
对，我就是。