凌空: be high up in the air; soar ...盘旋: circle around; spiral; circl ...的: 4次方是 The fourth power of 2 i ...飞机: airplane; plane; aeroplane; ...做螺旋的飞机: spinning bird盘旋的: gyrate; loop; serpentine; spiral; tortuous; twined; twisty; volute盘旋下降安定的飞机: spirally stable aircraft盘旋下降不安定的飞机: spirally unstable aircraft盘旋的楼梯: the winding stair有推进式螺旋桨和拉进式螺旋的飞机: push-pull aircraft在目标上空盘旋: hovering飞机凌空而起: the airplane soared into the sky盘旋的楼梯名诗: the winding stair盘旋的消噪音程序: noise abatement procedures for circling螺旋形的;盘旋的盘旋上升的: spiral很多鸟在头顶上空盘旋: a number of birds are circling overhead空盘: blank panel安定的飞机: stabilized piston; stable aircraft层舱的飞机: decker超载的飞机: overloaded aircraft超重的飞机: overweight aircraft陈旧的飞机: ageing aircraft出境的飞机: outgoing traffic登记的飞机: registered airplane掉队的飞机: straggler