Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
Do you have any men's cologne?
你有男用的古龙香水吗？
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
Sorry I am late. The car broke down.
抱歉我晚了，车坏了。