Photoradiometer
[医] X线[辐射]量计
🗣️ 情景例句
We are postponing our trip until the weather grows warmer.
我们拟把旅行推迟到天气暖和的一些时候。
How long is Jones Boulevard?
琼斯大街有多长？
Are there many differences?
它们有很大差别吗？