Perhalogeno-
[化] 全卤(代)(代替所有C上的氢)
🗣️ 情景例句
It was tough, but I made it. I'm a college graduate.
那虽然不简单， 但我成功了。 我现在是一名大学毕业生了。
He has a pair of gloves.
他有一副手套。
to discover whether they are mentally ill more often than other people are.
看一看他们是否比其他人更易患精神病。