| 单词 | 前后摆动 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔hunt〕To rotate up and down or back and forth without being deflected by the pilot. Used of a control surface or a rocket motor in gimbals.上下前后摆动：离开飞行员的偏转控制而上下或来回地转动。用于控制平台或火箭发动机的万向节美国传统〔hunt〕To yaw back and forth about a flight path, as if seeking a new direction or another angle of attack. Used of an aircraft, a rocket, or a space vehicle.前后摆动：沿一条飞行路线来回摇摆，似乎在寻找一个新的方向或进攻角度。用于飞机、火箭或空间飞行器美国传统〔pendular〕Of or resembling the motion of a pendulum; swinging back and forth.属于或像钟摆运动的；前后摆动的美国传统〔swing〕A seat suspended from above, as by ropes, on which one can ride back and forth for recreation.秋千：用绳子吊着的椅子，人可以坐在上面前后摆动作为消遣美国传统〔wag〕He wagged his head back and forth.他前后摆动着脑袋。韦氏高阶 |
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