Ldpe
[化] 低密度聚乙烯
🗣️ 情景例句
I don't have the heart to tell her.
我没有勇气告诉她。
There is a skeleton in every house.
每座房子都有骨架。
The woman immediately behind the two cars happened to be a learner.
紧跟其后的一辆车上的司机碰巧是个初学者，