Ldpe
[化] 低密度聚乙烯
🗣️ 情景例句
Hi, girls.
嗨 ，女孩们好。
Diligence is the mother of good luck.
刻苦是成功之母。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。