动词
中文翻译：Unknown
同义词：
['flutter', 'flap', 'flutter about', 'flap about']
例句：
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1. 使颤动，使飘动。2.
鸟
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3.
书页等
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1. The butterfly's wings fluttered in the gentle breeze.
蝴蝶的翅膀在微风中扑动。
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2. The bird flapped its wings and took off.
鸟扑动翅膀飞走了。
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3. The pages of the book fluttered as she turned the page.
当她翻动书页时，书页扑腾着。