Piperonal-acetophenone

[化] 亚胡椒基乙酰苯; 胡椒醛缩乙酰苯

🧩 词语组成解析

piperonal
n. [化]胡椒醛, 洋茉莉醛( 亦作piperonyl aldehyde)
acetophenone
n. [化]乙酰苯,苯乙酮,苯基甲基甲酮

🗣️ 情景例句

Sir, this offer will expire this week.
先生,这次特价这个礼拜就结束了。
It's about seventy degrees Fahrenheit this afternoon.
今天下午的温度大约70华氏度。
I have got some wonderful news to tell you. I have been offered a scholarship at a university in Australia for my further education. One hundred and twenty-five students took exams for it, and I was one of the five to be chosen. However, my parents are tr
我有一些非常好的消息要告诉你。我得到了澳大利亚一所大学提供给我进修的一笔奖学金。为了获得这笔奖学金,125个学生参加了考试,而我是5个被选上的人中的1个。然而,我父母试图阻止我到那里去学习。他们说澳大利亚太远了,他们将一整年见不到我,我会很孤独的。他们建议我改
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