Pvfm
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
Well, you're the young man who did all this.
嗯， 你就是那位拍这些照片的年轻人。
She has always a gracious smile.
她脸上总是带着和蔼可亲的微笑。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。