Polytrifluorochloroethylene
聚三氟氯乙烯
🗣️ 情景例句
That was very kind of you.
你真周到。
What's been the consumer reaction to your product?
消费者对你们的产品有过什么反映？
Do you still ask for this pound of flesh?
你还要求得到这一磅肉吗？