Acetal(dehyde) resin
[化] 乙醛树脂; 聚甲醛树脂
🧩 词语组成解析
resin
['rezin]
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
You cannot make a silk purse out of a sow's ear.
猪耳朵做不成丝钱包；巧妇难为无米之炊。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。