副驾驶负责在长途飞行中与机长轮流操控飞机。

The ___copilot takes turns with the captain to control the plane during long flights.

在跨部门会议中，他担任我的副手，协助协调各项工作。

During the cross-department meeting, he acted as my ___copilot to help coordinate various tasks.

这个AI助手能像真正的助理一样帮我快速编辑文档。

This AI ___copilot helps me quickly edit documents like a real assistant.