及物动词
不及物动词
名词
1. 颤动;飘动;挥动
If something thin or light flutters, or if you flutter it, it moves up and down or from side to side with a lot of quick, light movements.
2. (小鸟)振翅飞翔;(纸片)飘飞，翩翩飞舞
If something light such as a small bird or a piece of paper flutters somewhere, it moves through the air with small quick movements.
3. 小赌注
If you have a flutter, you have a small bet on something such as a horse race.
4. 匆忙急赶;奔走
If you say that someone flutters somewhere, you mean that they walk there with quick, light movements, often in a silly way or in a way which suggests that they are nervous.
5. (心)扑通扑通地跳，怦怦直跳
If your heart or stomach flutters, you experience a strong feeling of excitement or anxiety.
1. the act of moving back and forth
2. the motion made by flapping up and down
Synonym: flapflappingfluttering
3. a disorderly outburst or tumult
e.g. they were amazed by the furious disturbance they had caused
Synonym: disturbancedisruptioncommotionhurly burlyto-dohoo-hahoo-hahkerfuffle
4. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm)
can result in heart block