Polyflon
聚四氟乙烯树脂(商品名)
🗣️ 情景例句
You're a terrific photographer.
你是一名出色的摄影师。
Graduation is often the last moment of childhood.
毕业往往意味着儿童时期的结束。
I started to sing. The baby watched and listened ,and she didn't cry any more.
我开始唱歌。小孩看着，听着，不再哭了。