Spectroreflectometer
光谱反射计
🗣️ 情景例句
Scared? Why?
紧张？ 为什么？
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。
I hired a car the day after landing and bought a comprehensive book of maps,
我下飞机后租了一辆车，并买了一本详尽的地图册。