Paraethoxyacetophenone
对乙氧基苯乙酮
🗣️ 情景例句
I'd like to make an appointment to discuss a question.
我想约个时间讨论个问题。
Do you have a phone book(directory)?
你有电话簿吗？
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。