seesaw
畅通词汇
英
['siːsɔː]
美
['siːˌsɔː]
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Noun:
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a plaything consisting of a board balanced on a fulcrum; the board is ridden up and down by children at either end
Verb:
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ride on a plank
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move up and down as if on a seesaw
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move unsteadily, with a rocking motion
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用作名词 (n.)
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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.)
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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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