Marex
聚乙烯
🗣️ 情景例句
But please call first.
不过，请你先打电话。
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。