✅ 同义词
🗣️ 情景例句
I wonder what the problem is.
我不知道发生了什么问题。
The German quotation is lower than yours.
德国报价比你们的低。
I said I would be at your house at six o'clock, but the boss want me to do some extra work.
我说过我6点到你家，但老板要我加班。