释义 |
飞艇fēitǐng飞行工具,没有翼,利用装着氢气或氦气的气囊所产生的浮力上升,靠螺旋桨推动前进。飞行速度比飞机慢。{airship; dirigible; wingless flying vehicle that ascends by the floatage of an airbag containing hydrogen or helium, and is propelled by propellers at speeds slower than those of airplanes} |