Bartering
v. 作物物交换, 以货换货( barter的现在分词 )
✅ 同义词
🗣️ 情景例句
What do your parents do?
你父母是做什么的？
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
He had been there for nearly ten hours.
他已经在烟囱里被困了将近10个小时。