Polyacetal
[化] 聚缩醛
🗣️ 情景例句
Sorry to disturb you again.
抱歉， 又来打扰你。
A discount of six percent is all that I'm authorized to offer you.
6%的折扣是我权限内所能给你的。
'You don't need bookcases at all.You can sit here in your spare time and read the carpet!'
“你根本用不着书橱，空闲时你可以坐在这儿读地毯！”