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see saw的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 seesaw:
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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
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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
