原级：navigator
1. The Civil Aviation Administration of China approved the flight and sent navigators for the voyage.
2. navigators的反义词
2. Based on three grainy photographs taken by the spacecraft as it plummeted to the surface, navigators believed they delivered Spirit to within six miles of its intended target.
3. navigators
3. He and his classmates have been learning techniques to steer ships and most of them will go on to become navigators and future captains.