Copalic acid
[化] ┱┲酸; 黄脂酸
🧩 词语组成解析
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
Make all you can, save all you can, give all you can.
尽力而为，尽力节约，尽力施舍。
I'm terribly sorry.
实在抱歉。