seesaw的中文意思、音标与词形变化

n. 跷跷板, 跷跷板游戏, 起伏交替的动作 a. 上下或前后摇动的, 交互的 vi. 玩跷跷板, 上下或来回摇动 vt. 使上下或来回摇动

n. a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end v. move up and down as if on a seesaw