Permutoid
[化]交换体
🗣️ 情景例句
What time is it?
什么时间啦？
Would you please read the draft contract and make your moments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？
We need a lot of thing this week.
这星期我们需要很多东西。