Mesityloxy
[化] ┯氧基; 2,4,6-三甲苯氧基
🗣️ 情景例句
Mmm-hmm. That's because he's sleeping.
嗯。那是因为他睡了。
The industrial area is centered largely in the north.
大部分工业区域集中在北方。
Yes, Miss Gao.
可以，高老师。