Acetoxyacetone
[建] 醋酸基丙酮
🗣️ 情景例句
Know what I'm saying?
知道我在说什么吗？
I'd like to make an appointment with Mrs. Green.
我想约个时间见格林女士。
I haven't heard from her for a long time.
我好久没有她的消息了。