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
This bacon is great.
肉做得太好了。
Thank you for your gift.
谢谢你的礼物。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？