n.跷跷板；上下动
v.玩跷跷板；上下摇动
过去式：seesawed
过去分词：seesawed
现在分词：seesawing
第三人称单数：seesaws
seesaw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
move up and down as if on a seesaw
move unsteadily, with a rocking motion
seesaw例句
用作名词(n.)
The boy keeps the seesaw in balance.
这个男孩儿让跷跷板保持平衡。
用作动词(v.)
Before the election,the president seesawed in the polls.
选举之前，总统在民意调查中上下浮动。
seesaw近义词
alternate
oscillate
fluctuate
swing
teeter-totter
teeter
teetertotter
totter
teeterboard

跷跷板英文