Radiological safety
[医] 放射安全
🧩 词语组成解析
a. 放射学的
🗣️ 情景例句
Don't speak too soon.
话不要说得太早。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？
From the top of it, you could see up to a distance of 130 kilometres on a clear day.
在晴朗的日子里，从楼的顶层你可以看到130公里远的地方。