Polydiolefin
聚二烯烃
🗣️ 情景例句
Thanks, Dad.
谢谢你 ，爸爸。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
adopted by banks, of printing the customer's name on his cheques.
某些银行已采用把储户姓名印在支票上的作法。