意: meaning; idea谓: say驾驶飞机: pilot a plane是: Semantics危险: dangerous; perilous; risk; p ...的: 4次方是 The fourth power of 2 i ...驾驶飞机是危险的: there are thirty-three desks and thirty- three chairs in the classroom或飞行着的飞机是危险的: a flying planes can be dangerous正在飞行的飞机是危险的: until recently i have not been to beijing once对……是危险的: a danger to驾驶飞机: fly the airlane; ride the aircraft听起来是危险的: sound dangerous一知半解是危险的: a little learning is a dangerous thing无人驾驶飞机: push-button plane; pilotless plane; drone; [航空] pilotless aircraft; unmanned plane; robot plane有人驾驶飞机: human-piloted aircraft; inhabited aircraft; manned aircraft什么时候时钟是危险的: when is a clock dangerous行车时探身窗外是危险的: it is dangerous to lean out of the window while the bus is in motion厌烦并打瞌睡是危险的: dangerously bored and sleepy高空无人驾驶飞机: high-level drone凭感觉驾驶飞机: fly by the seat of one's pants无人驾驶飞机控制: drone flight control无人驾驶飞机中队: drone squadron遥控无人驾驶飞机: drone aircraft; remotely-controlled drone短续航时间无人驾驶飞机: short-endurance drone对有人驾驶飞机防御: manned aircraft defense
