Mesityloxy
[化] ┯氧基; 2,4,6-三甲苯氧基
🗣️ 情景例句
I can't tell you how sorry I am.
我真的是很抱歉。
To scratch for fleas
因为跳蚤而抓痒
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。