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
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
Do not try to anticipate the answer.
别预测答案。
My old friend, Frank Halliday, is just such a person.
我的老朋友弗兰克。哈利戴正是这样一个人。