seesawed
v.
使上下(来回)摇动( seesaw的过去式和过去分词 );
玩跷跷板,上下(来回)摇动;
例句:
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Stocks seesawed ever lower until prices found some new level of equilibrium.
股票在震荡中进一步下跌,直到股价达到某个新的平衡点。
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Their morale seesawed with a series of unlikely discoveries.
来自WSJ
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The boat seesawed in the heavy sea.
小舟在波涛汹涌的海中颠簸不已.
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He seesawed between two opinions.
他在两种意见之间举棋不定.