Uldpe
[化] 超低密度聚乙烯
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
He struck his attacker on the ear.
他打了那个攻击者一耳光。