flutter 核心词议：
v. 飘动；（鸟或昆虫）鼓翼；飞来飞去；（心脏等）怦怦乱跳；（人）奔忙
n. 振动；（非正式）小赌注；紧张兴奋；（心脏的）怦怦乱跳；扑动；（重放录音的）颤振
flutter 基本解释
vi. 飘动；鼓翼
vt.& vi. 振翼，拍翅膀；烦扰，坐立不安；（旗帜）飘扬
n. 紧张，激动不安；颤振；飘扬；（身体部分的）病态阵跳
速记方法
速记技巧
谐音记忆法
谐音：飞啦它，所以引申为词义：（鸟）拍翅
词源记忆法
万物拟声法：来自float，浮动，波动。-er，表反复。引申词义颤动，慌乱。或来自辅音丛fl，扑腾，拍打，拟声词，词源同flap，flip，flounce.=来源于原始印欧语pleu-，plo-，在日耳曼语中为flo-。=【同源词】flow，fleet，fly，flood，fledge，fowl，plover，pluvial，float
知识扩展
词语辨析
flutter，flit，flitter。
这三个词都表示以类似鸟那样的运动方式来移动。它们的区别在于flutter强调不稳定性和颤动性；flit强调轻快、迅速；而flitter则兼而有之。
flutter 变化形式
第三人称单数： flutters
过去式： fluttered
过去分词： fluttered
现在分词： fluttering
中文词源：
flutter 颤动，慌乱
来自float, 浮动，波动。-er, 表反复。引申词义颤动，慌乱。或来自辅音丛fl, 扑腾，拍打，拟声词，词源同flap, flip, flounce.
flutter
精选例句
1、 There was a flutter of wings among the trees.
树林里响起一阵飞鸟的拍翅声。
常见考点例句：
- Instead , it would flutter to the ground , like a leaf .
- 相反，它会像树叶一样飞到地面。
- And although investors may dislike being called gamblers , they still like a flutter .
- 尽管投资者也许不愿被称作“赌客”，但他们仍然喜欢小赌一把。
- The next time you see a butterfly flutter by , take a moment to notice the colors on its wings .
- 当你再次看到一只蝴蝶翩翩飞舞时，稍微留意一下它翅膀的颜色。
- These bombs , longer than a tin can but about as big around , fall to earth trailing cloth tails that flutter behind them ; they are almost a beautiful sight .
- 这些比易拉罐稍长一些却差不多大小的炸弹，拖着呼呼飘动的布条，坠落到地面上；几乎构成了一道美丽的风景。
- As he pushes open the gate and passes up the wide white walk , he sees a flutter of female garments ; his wife , looking fresh and cool and sweet , steps down from the veranda to meet him .
- 他推开前门，沿着宽阔的白色的步行道走去，看到女人飘动的衣衫；他的妻子，看上去气色很好，那么从容，那么甜蜜，从门廊的台阶走下来迎接他。