Monochromators
(monochromator 的复数) n.[物]单色器, 单色仪, 单色光镜
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
Better poor with honour than rich with shame.
穷得光荣，胜过富得可耻。
The third person who lit a match started the fire.
第三个工人擦亮一根火柴就引发了火灾。