✅ 同义词
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
As they are in such a damaged condition, we doubt we will be able to take delivery.
由于它们残损如此严重，恐怕我们无法提货。
Traffic police are sometimes very polite.
交通警有时也很客气。