Background radiation
[化] 本底辐射\\n[医] 本底放射, 本底辐射
🧩 词语组成解析
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
Who is the auther of this novel?
谁是这本小说的作者？
There is a factory near No.14 Middle School.
第十四中学附近有一家工厂。