1. The birds fluttered excitedly in the trees. 鸟儿在树林中兴奋地飞来飞去。
2. Her heart began to flutter with fear. 她的心因害怕而开始柁柁跳。
3. She flutter ed nervously about, going from room to room. 她紧张不安地从这房间到那房间四处走动。
英英解释
n.
1. the act of moving back and forth
2. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result i
3. a disorderly outburst or tumult
4. the motion made by flapping up and down v.
1. move along rapidly and lightly; skim or dart
2. move back and forth very rapidly
3. flag the wings rapidly or fly with flapping movements
4. beat rapidly
5. wink briefly
