AILERON, a hinged moveable part on the trailing edge of each wing for airplane roll (wing up and wing down) control.

副翼，铰连在每个机翼后缘的可动部件，用于控制飞机的滚转(机翼向上和向下)。

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A flaperon is a part of the wing used to manage the lift and control the roll of an aircraft.

襟副翼是机翼的一部分，用来操控飞机上升和滚转。

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Roll axis - Longitudinal axis, passes through the airplane from front to rear - wing up and wing down control is by ailerons and flight spoilers.

横滚轴—又称纵轴。由飞机的前部通向后部。机翼下运动由副翼和飞行扰流板控制。

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Without them, the Knicks don't appear to have enough of a defensive post presence to compensate for what have often been lead-footed guards who struggle to defend pick-and-roll plays or get out to open wing scorers.

WSJ: Nice First Half��Now Keep It Going

Dan Ward-Smith's break down the wing set up Hodgson for his first penalty, awarded after Australia failed to roll away from the ball.

BBC: Aussie Barbarians 9-15 England