Pellidon
多孔聚酰胺膜
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
What are you going to do?
你要做什么？
Let's go and have a drink.
让我们去喝点东西吧，