Premonochromator
前单色仪; 前置单色器
🗣️ 情景例句
he could be so valuable.
他或许能够有所用。
This month all of my law clients paid their bills.
这个月前来做法律咨询的客户全都付清账单了。
Jeremy was a little disappointed by this but he did as his daughter asked.
这不免使杰里米有点扫兴，但他还是按照女儿的要求做了。