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
It puts you to sleep.
它让你很快入睡。
Is anybody home?
有人在家吗？
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。