A pilot is a person who steers a ship through a difficult stretch of water, for example, the entrance to a harbour.
领航员
A pilot plan or a pilot project is one that is used to test an idea before deciding whether to introduce it on a larger scale.
试验性的
If someone pilots an aircraft or ship, they act as its pilot.
驾驶 (飞机); 为 (船只) 领航 • He piloted his own plane part of the way to Washington. 他驾驶自己的飞机飞行了去华盛顿的部分路程。