Oac
abbr. on approved credit 经过核准的信誉; optical aberrations compensation 光学失常补偿; outer approach channel 外部通道路线
🗣️ 情景例句
if you don't mind listening.
假如你不介意听的话。
Much will have more.
贪得无厌。
Our school covers 100 square meters.
我们学校占地面积平方米。