Photoradiometer
[医] X线[辐射]量计
🗣️ 情景例句
What's the difference between A and B?
A和B有什么不同？
Many good cows have evil calves.
很多好母牛，会生坏小犊。
Liu Mei is on her way to the cinema, but she stops.
刘梅正在去电影院的路上，但她停住了。