Mesityloxy
[化] ┯氧基; 2,4,6-三甲苯氧基
🗣️ 情景例句
You'll never get to college to find out, Robbie,
你根本就进不了大学去探究这个问题的答案 ，Robbie，
Which one is more difficult?
哪一个是比较难的？
Hangzhou, 31001
2杭州，310012