n.&v. 拍打 n. 拍打，片状物
‖ flapping n. 拍动
flap-seat n. 折椅
flap (2)[flæp]
v. 挥舞，处于慌乱状态/ n. 水舵，火箭舵，襟翼，减速板，阻力板
‖ flap angle 襟翼角
flap area 襟翼面积
flap control 襟翼操纵
flap drag 襟翼阻力
flap gear 襟翼操纵机构
flap jackknife dive 坐式屈体跳水
flap section 襟翼段
flap up seat折叠座位
flap-wing machine 扑翼飞机
flapped aircraft 有襟翼飞机
flapping flight扑翼飞行
flapping hinge 挥舞铰链
flapping wing 扑翼
flapping wing aircraft 扑翼飞机
flapping n. flapper n.挡板
flap-door n. 吊门
flaperon[ˈflæpərən]n. 襟副翼