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
Oh, it was no trouble.
哦 没什么麻烦。
That's nice. Where?
好啊，去哪儿了？
The great cities have been built with no regard for us.
大城市的建设毫不关心我们。