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
Very wise.
非常明智。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，