Coplasticizer
辅助（增）塑剂； 助塑剂
🗣️ 情景例句
No, I'm not kidding.
不， 我不是说笑。
When I slept, he was out.
当我睡了时候，他外出了。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？