see saw的英文翻译是什么意思,词典释义与在线翻译
名词 seesaw:- a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
动词 seesaw:- ride on a plank
- move up and down as if on a seesaw
- move unsteadily, with a rocking motion