Radon fluoride
[化] 氟化氡
🧩 词语组成解析
radon
['reidɔn]
n. <化>氡（元素符号Rn）;
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
I don't get it.
我不明白。
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
It's a lovely windy day today.
今天是个有风的好天气。