seesaw
美['siːˌsɔː] 英['siːsɔː]
n. 跷跷板；上下动
v. 玩跷跷板；上下摇动
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
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。
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