Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
I'd like to give her something nice
我想给她一件精美的东西
May I have baggage tags?
请给我行李标签好吗？
Everybody on board was worried and we were curious to find out what had happened.
飞机上的人都很着急，大家都急于想知道究竟出了什么事。