Perhalogeno-
[化] 全卤(代)(代替所有C上的氢)
🗣️ 情景例句
The baby-sitter called.
临时保姆打电话来了。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
It's missing head happened to be among remains of the fifth century B.C.
而她那身异处的脑袋却碰巧是在公元前5世纪的文物中找到的。