Piperonal bis acetal
[建] 增效醛
🧩 词语组成解析
n. [化]胡椒醛, 洋茉莉醛( 亦作piperonyl aldehyde)
国际清算银行\\n[计] 商业信息系统; 副本, 次本
n. 乙缩醛\\n[化] 乙缩醛; 乙醛缩二乙醇; (类名)醛缩醇; 缩醛(醛缩二醇)
🗣️ 情景例句
I remember now.
我现在记起来了。
May I ask you for a dance?
可以请你跳支舞吗？
The hardened professional smuggler, on the other hand, is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.
而老练的职业走私犯却使手提箱里藏着500只金表，却也处之泰然。