Polyarylate
多芳基化合物
🗣️ 情景例句
He made up his mind to give up smoking.
他下决心戒烟。
He may well be contented who need neither borrow nor flatter.
一个既不用借债又不用奉承人的人，可以称得上心满意足。
I have been trying to get my new room in order.
我试图把我的新房间收拾整齐，