flap
/flæp/
n. 飘, 摆动, 拍打, 拍打声, 片状垂悬物
v. 拍打, 鼓翼而飞, 飘动
词形变换
过去式 flapped · 过去分词 flapped · 现在分词 flapping · 第三人称单数 flaps · 复数 flaps
英文释义
n. any broad thin and limber covering attached at one edge; hangs loose or projects freely
n. the motion made by flapping up and down
n. a movable piece of tissue partly connected to the body
n. a movable airfoil that is part of an aircraft wing; used to increase lift or drag
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