teetertotter
n. 跷跷板v.玩跷跷板;上下晃动teetertotter Noun a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end Verb ride on a plank teetertotter近义词...
阅读更多n. 跷跷板v.玩跷跷板;上下晃动teetertotter Noun a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end Verb ride on a plank teetertotter近义词...
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