Ldpe
[化] 低密度聚乙烯
🗣️ 情景例句
And, Mrs. Stewart, are you working?
嗯， Stewart太太， 你有工作吗？
How can I get in touch with you?
我怎样能跟你联络上？
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？