Poly(vinyl formalacetal)
[化] 聚乙烯醇缩甲乙醛
🗣️ 情景例句
Emergency Assistance, may I help you?
紧急事故救援中心，有什么需要帮助的吗？
I'd say the expected delivery date should be by the end of the month.
我得说预定发货日期应该在本月底。
It happens every night. The noise wakes me up. Would you please not do this?
每晚都这样。这声音总吵醒我！请你别这样，好吗？