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helicopter    音标拼音: [h'ɛlɪk,ɑptɚ]
n. 直升飞机
vt. 用直升飞机载送
vi. 乘直升飞机

直升飞机用直升飞机载送乘直升飞机

helicopter
n 1: an aircraft without wings that obtains its lift from the
rotation of overhead blades [synonym: {helicopter}, {chopper},
{whirlybird}, {eggbeater}]

Helicopter \Hel"i*cop`ter\, n. [NL., fr. Gr. "e`lix, "e`likos, a
spiral ptero`n a wing.]
a heavier-than-air aircraft whose lift is provided by the
aerodynamic forces on rotating blades rather than on fixed
wings. Contrasted with {fixed-wing aircraft}.
[PJC]


Helicopter \Hel"i*cop`ter\, v. i.
to travel in a helicopter.
[PJC]


Helicopter \Hel"i*cop`ter\, v. t.
to transport in a helicopter.
[PJC]

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英文字典中文字典相关资料:


  • Helicopter - Wikipedia
    The Focke-Wulf Fw 61 was the first successful, practical, and fully controllable helicopter in 1936, while in 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production
  • Helicopter | Facts, History, Types | Britannica
    A helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air
  • Helicopters - Airbus
    Airbus helicopters are an essential tool for first responders, firefighters, public service operators and military customers flying critical missions across the globe
  • How Helicopters Work - HowStuffWorks
    One thing that has characterized the helicopter since its invention in the 1930s has been the absurdity of the machine The contraption simply looks unable to deliver on its promise, which is to fly up and down, backward and forward, right and left
  • 25 Types Of Helicopters | Uses And Examples – Engineerine
    In today’s world, helicopters are a common sight in many parts of the globe They are used for various purposes, including traffic monitoring, community policing, and cargo transportation
  • FAA investigating United plane, military helicopter incident – NBC Los . . .
    Federal authorities are investigating a close call Tuesday involving a military helicopter and a United Airlines plane approaching John Wayne Airport in Santa Ana United Airlines Flight 589 was
  • Types of Helicopters Explained: Light Utility, Transport, and Heavy . . .
    Since practical flights began in the 1930s, helicopters have split into clear categories: light trainers and patrol craft, medium EMS and police models, and heavy platforms for troop and cargo transport Each category balances lift, range, and speeds against operating cost and complexity
  • US Army receives first autonomous-capable Black Hawk helicopter | Fox . . .
    The U S Army has received its first autonomous UH-60MX Black Hawk, built with Sikorsky, marking a key milestone in military aviation modernization
  • How does a helicopter work? - Explain that Stuff
    The science of a helicopter is exactly the same as the science of an airplane: it works by generating lift—an upward-pushing force that overcomes its weight and sweeps it into the air Planes make lift with airfoils (wings that have a curved cross-section)
  • Helicopters - National Air and Space Museum
    A helicopter is an aircraft that is lifted and propelled by one or more powered rotating wings called rotors This allows them to operate from small landing sites





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