Perhalogeno-
[化] 全卤(代)(代替所有C上的氢)
🗣️ 情景例句
Relax with the family and then look for some work.
与家人轻松一段时间 ，然后找个工作。
What's the height of the building?
这座楼有多高？
Can you cover for me on Friday. Tell me how to get there?
星期五能不能请你替我个班。 你能告诉我到那里怎么走吗？