Coplasticizer
辅助（增）塑剂； 助塑剂
🗣️ 情景例句
A dime is 10 cents. It's one tenth of a dollar.
一角有十美分，是一美元的十分之一。
I wrote to him last Friday.
我上个星期五写信给他。
Good morning. Can I help you?
早上好！我能帮您什么忙吗？