Valox
聚对苯二甲酸丁二醇酯
🗣️ 情景例句
I'm working on-it.
我正在做这项工作。
How much do you charge per unit?
你们每件要价多少呢？
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。