Photoradiometer
[医] X线[辐射]量计
🗣️ 情景例句
Aren't you exhausted?
你不会精疲力尽吗？
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
I examined one of the pens closely.
我仔细察看了一枝钢笔，