Perhalogeno-
[化] 全卤(代)(代替所有C上的氢)
🗣️ 情景例句
I'd miss them a lot,
我会非常想念他们的，
One moment, please, and I'll find out what is available.
请等一等，我来查一查有什么班机。
There's an old teapot over there. Isn't it beautiful! said Ann.
“那儿有一个旧茶壶。它不美丽吗？” 安说