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
I was counting on more.
我期待着会比这要要。
A good face is a letter of recommendation.
好的相貌就是一封推荐的介绍信。
Do what you feel like!
做你想要做的事！