Allotypy
同种异型性
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
Anything else you want to bring up for discussion.
你还有什么问题要提出来供双方讨论的吗？