1·(aeronautics) designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure.
(航空学)指飞艇或者飞船，其外形由坚固、不可弯曲的构架或者结构所支撑。
2·Vimanas took off vertically, and were capable of hovering in the sky, like a modern helicopter or dirigible .
维曼拿斯垂直地飞行，能够在天空盘旋，就像现代的直升机或者飞船。