Valoneaic acid
[化] 橡┥酸
🧩 词语组成解析
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
I'd like to sit in the front of the plane.
我要坐在飞机前部
I get to school at about 7:30 every day.
我每天七点半到校。