Parachloroacetophenone
对氯苯乙酮
🗣️ 情景例句
What storage capacity do you need?
你想要多大容量的硬盘？
One good mother is worth a hundred schoolmasters.
一个好的母亲顶得上一百个教师。
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。