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小测验：选择正确的单词
- 论坛新贴
seesaw ['si:sɔ:]
基本释义
- n. 跷跷板,上下动
a. 前后动的,交互的
vi. 玩跷跷板,上下摇动
词形变化
- 时 态：see·sawed, see·saw·ing, see·saws
英英解释
1个名词解释
- a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
[同] dandle board, seesaw, teeter, teeterboard, teetertotter, teeter-totter, tilting board
3个动词解释
- ride on a plank
[同] seesaw, teetertotter, teeter-totter - move up and down as if on a seesaw show all ... ( 3 )
- a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end