Osa
[计] 开放系统体系结构
🗣️ 情景例句
Yes?
什么？
Good-bye.
再见
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。