1. a helicopter in hover.
   盘旋着的直升机
2. helicopter aerodynamics
   直升机空气动力学
3. a helicopter was put at their disposal.
   一架直升飞机供他们支配。
4. helicopter the President to London
   用直升飞机送总统去伦敦
5. the downwash of the helicopter blades.
   直升机螺旋桨叶产生的下风气流
6. The helicopter went down in a ball of fire.
   直升机在一团火球中坠落
7. they are holding a helicopter fly-in.
   他们正在开直升飞机飞行员会议。
8. a helicopter buzzed overhead.
   一架直升飞机在上空轰鸣。
9. The helicopter has landed.
   直升机降落了
10. helicopter sb. out of the sea
    用直升飞机救某人出海(指海上遇难人员)
11. an airworthy helicopter; airworthy avionics.
    适航的直升机；飞行性能良好的航空器
12. a helicopter landing can cause disturbance to residents.
    直升飞机着陆会干扰居民。
13. the helicopter crashed plum on the cabins.
    直升机径直坠毁在那些小木屋上面。
14. The helicopter lifted the entire team to the meet.
    直升飞机把全队空运到运动会现场
15. their helicopter developed engine trouble.
    他们的直升机引擎发生了故障。
16. a helicopter with skis for landing on snow and ice.
    带滑行装置以便在雪和冰上降落的飞机
17. all supplies were ferried in by regular helicopter deliveries.
    所有的给养均由直升机定期运来。
18. a helicopter lifted 11 crew to safety from the ship.
    直升飞机把１１名船员从船上救往安全地点。
19. n. a helicopter larding pad.
    （停车的）地方，（简易机场的）飞机起落段
20. A fire-fighting helicopter approaches the blaze in Bunyip.
    沧海一粟消防直升机接近大火。

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