Metaacetone
[化] 3-戊酮
🗣️ 情景例句
in other words ... boring.
也就是说， 太无趣了。
Constant dropping wears the stone.
滴水不绝可穿石。
Though my aunt pursued what was, in those days, an enlightened policy, in that she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.
姑妈待佣人在当时算是开明的，从来不让佣人每天工作超过8小时，但他们很难使她称心如意。