Osa
[计] 开放系统体系结构
🗣️ 情景例句
Oh, that's not all.
噢， 还没完呢。
The one on your right.
你右边的那个。
The woman immediately behind the two cars happened to be a learner.
紧跟其后的一辆车上的司机碰巧是个初学者，