Mesityloxy
[化] ┯氧基; 2,4,6-三甲苯氧基
🗣️ 情景例句
You must be hungry by now.
你现在一定饿了。
She looks so pale, she must be ill.
她脸色很苍白，一定病了。
When you have found a building in which to start your school.
你找到开办学校的楼房后