Polyacetal
[化] 聚缩醛
🗣️ 情景例句
I majored in economic and trade English.
我主修的是经贸英语。
I recognize that he is more clever than I am.
我承认他比我聪明。
Another part of me wanted this moment to continue for ever.
我还有另一个想法，就是希望此时能永远持续下去。