Uldpe
[化] 超低密度聚乙烯
🗣️ 情景例句
He tried to smile.
他设法要微笑。
She's a beautiful girl, don't you think so?
她是美丽的女孩，你不觉得吗？
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然问父亲为什么把这么多的旧报纸锁在柜子里，