asmallremote-controlledaircraftlike ahelicopter, with fourbladesthat go around ontop, usedespeciallytofilmorphotographthings from theair. A quadcopter is atypeofdrone.
四轴飞行器
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hexacopter
octocopter
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SMART Vocabulary: related words and phrases
Air travel: fixed-wing aircraft & helicopters
air taxi
airframe
airliner
airplane
amphibian
biplane
chopper
copter
crop duster
hang-glider
helicopter
interceptor
jumbo jet
shuttle
superplane
UAV
ultralight
vertical take-off
VTOL
warplane
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Instead, thequadcopterhas a fuselage attached with four ducted fans, with two on each side of the fuselage.
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Thequadcoptercollided with wires designed to prevent helicopters landing to aid escapes, causing it to crash.
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Thequadcopterwas badly damaged by the crash, though an unsuccessful attempt was made to fly it out of the prison.
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They are known for being compact, lightweight, rugged, wearable or mountable in unusual places such as outside aquadcopter, planes, cars, boats, bicycle and motorcycle helmets or army tanks.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
This example is from Wikipedia and may be reused under a CC BY-SA license.