dirigible

1.a dirigible spotlight.

可控制的聚光灯。

2.moor a ship to a dock; a dirigible moored to a tower.

把系在码头上；系泊在塔上的

3.2 Class B: AIRSHIP or DIRIGIBLE -An aerostat, equipped with means of propulsion and steering.

：或—浮升器之一种，配备有推进方法和操纵舵。