Preexisting
v. 先前存在( preexist的现在分词 )
✅ 同义词
🗣️ 情景例句
But first you have to smile.
但首先你得笑一笑。
Lost sleep
失眠
CUSTOMS OFFICER: Are your friends Danish, too?
你们的朋友也是丹麦人吗？