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| NOUN |
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| /ˈflʌtə/ |
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| 1 | C usually singular a series of short , quick , light movements up and down or from side to side 挥动；晃动；振动 | There was a flutter of wings as the birds took flight. 鸟儿飞起时会振动翅膀。 | |
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| 2 | C usually singular a series of quick movements of the heart , caused by excitement or nervousness （心脏因激动或紧张的）快速跳动 | Her heart gave a flutter when the phone rang. 电话铃响的时候，她的心跳得很快。 | | | 2a | a medical condition in which your heart beats faster than normal 心跳过速；振颤 | | |
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| 3 | singular an excited or nervous feeling 激动；紧张 | Rachel jumped up in a flutter and ran to the door. 雷切尔激动地跳起来朝门口跑去。 | | a flutter of surprise 一阵惊喜 | |
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| 4 | C informal a small bet 小赌；小投机 |
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