Hdpe
[化] 高密度聚乙烯
??? 情景例句
Pubs and discos are good place to kill time.
酒吧和舞廳是消磨時間的好地方。
Of nothing comes nothing.
無中不能生有。
the man sadly picked up the mattress and carried it into his house.
傷心地撿起了床墊，把它拿進了屋。