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
Payment by instalments is one of the terms of payment that has been accepted.
分期付款是通常被接受的一种付款方式。
I'm sorry, but I didn't catch what you said.
对不起，我没有听明白你的话。
There are also endless numbers of birds in the tar as well.
沥青坑里还有无数只鸟的尸体。