Polyfluoroprene
聚氟丁二烯
🗣️ 情景例句
Hold it, Robbie!
停停， Robbie！
Thank you for coming to see me off.
谢谢你来为我送行。
Most of Debbie's school friends will be waiting for her on the English coast.
黛比的大部分同学将在英国海岸等候她。