| 单词 | flutter |
| 释义 | flutterfluttersflutteredflutteringflutterflutter1 /ˈflʌtə $ -ər/ verb1[transitive] to wave or move gently in the air: Flags fluttered in the wind.flagflutter旗帜在风中飘扬。2[intransitive and transitive] if a bird or insect flutters its wings, it moves them quickly up and down3[transitive] if your heart or your stomach flutters, you feel very excited or nervous |
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