Piperonal-acetophenone
[化] 亚胡椒基乙酰苯; 胡椒醛缩乙酰苯
🧩 词语组成解析
n. [化]胡椒醛, 洋茉莉醛( 亦作piperonyl aldehyde)
n. [化]乙酰苯,苯乙酮,苯基甲基甲酮
🗣️ 情景例句
Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
Then we'd have some idea of what you'll be needing.
那么我们就会心中有点儿数，知道你们需要什么了。
The lawyer ascertained that a policeman had indeed dealt roughly with foreigners on several occasions.
律师证实有个警察确实多次粗鲁地对待外国人。