Radon content
[医] 氡含量
🧩 词语组成解析
radon
['reidɔn]
n. <化>氡（元素符号Rn）;
🗣️ 情景例句
About one month. I'm just sightseeing.
大约一个月。我只是观光旅游。
I ask him to stay at home.
我要求他待在家里。
He said, Pauline is typing letters. She can't speak to you now!
他说：“波淋正在打信，她现在不能同你讲话！”