Pioloform
聚乙烯醇缩醛
🗣️ 情景例句
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
Morning, Alice.
早上好，爱丽斯！
Two return tickets to London,please.
买两张到伦敦的往返票。