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
Please. That sounds good.
听起来不错，请给我弄一杯。
At about seven.
七点左右。
Yes, that's right.
是的。