Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
Grandpa,
爷爷，
I'll have to see about that.
这事我得想一想再定。
But we don't fight very often. We love each other and we are both very happy that we are twins.
但是我们并不经常争吵。我们互相爱护，我们都非常庆幸是孪生。