teetertotter
n. 跷跷板
v. 玩跷跷板；上下晃动
近义词：teeter-totter，seesaw，teeterboard，teeter，
英英释义
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