Polyesterification
n. 聚酯
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
Some persons do first, think afterwards, and then repent for ever.
有些人做了再思考，从而悔恨终身。
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。