副翼的英文：
aileron
flap
Where's the flap of the plane?
飞机的副翼在哪？
The ailerons on an airplane are hinged to the wing
飞机的副翼是用铰链装在机翼上的。
Aileron: hinged part of the wing of an aircraft,used to control its balance while it is flying
副翼(飞机的机翼上控制飞行平衡的活动辅助翼).
Positive aileron deflection produces an anti-clockwise moment about the X axis
正的副翼偏转角产生绕X轴的负方向力矩。
n. 副翼
Positive aileron deflection produces an anti-clockwise moment about the X axis
正的副翼偏转角产生绕X轴的负方向力矩。
n. 扁平物；副翼；拍打
v. 飘动；拍动；激动，不安
get into a flap
激动起来
minimum flap retraction speed
最低襟翼收起速度
camber changing flap
改变机翼弯度的襟翼
He heard flaps of the bird.
他听到了鸟振翅的声音。
The flap folds down.
帽边可以折下。