Radon emanation
[医] 氡射气
🧩 词语组成解析
radon
['reidɔn]
n. <化>氡（元素符号Rn）;
n. 散发, 发出\\n[化] 射气
🗣️ 情景例句
But I'm thirsty.
可是我渴了。
What we do willingly is easy.
世上无难事，只要肯登攀。
'Then I'll come with you,' he answered.'There's always plenty to read in the waiting room!
“那我也跟你去，候诊室里总有很多东西可供阅读！”他回答。