Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
Claim concerning transportation should be referred to the shiping company.
涉及运输问题，应当向船运公司提出索赔。
I wasn't born yesterday.
我又不是三岁小孩。
Mrs.Richards sent her children to school and went upstairs to her bedroom.
把孩子送去上学，然后来到楼上自己的卧室。