单词	quadcopter
释义	quadcopter /ˈkwɒdkɒptə / noun An unmanned helicopter having four rotors: a quadcopter which flies autonomously using only the computing power of a smartphone... A remote-controlled quadcopter, outfitted with tinsel and mistletoe, paid a visit to Union Square, where unsuspecting San Franciscans and tourists were prompted to pucker up. Five subjects were able to successfully pilot the quadcopter quickly and accurately for a sustained period of time through an obstacle course in the university's gymnasium. I would build a quadcopter that can autonomously carry a can of beer from the kitchen to the lounge.
随便看	red choler red-circle red-circling red clay Red Cloud redcoal redcoat red-coated red cock red-cockaded woodpecker red cod redcole red-collared red-collared lorikeet red-cook red-cooking red copper red copper ore red coral red core red core disease red corpuscle red country red crab Red Crag

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