Poly(vinyl formal)
[化] 聚乙烯醇缩甲醛
🗣️ 情景例句
Good morning. My name is Richard Stewart.
早安。我叫Richard Stewart。
Let's see what else is on.
咱们看看有没有别的节目。
I'd like to invite you to dinner before you go. What about Thursday?
我想在你走之前请你吃饭。周四怎么样？