✅ 同义词
🗣️ 情景例句
I have been talking to a group of salesmen
我一直在与一群推销人员谈话
There is nothing to thank me for.
没有什么可谢我的。
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。