fluttering

• 名词，指上下摆动或拍打的动作，常用来描述翅膀、树叶或其他轻物体的飘动、颤抖。

A noun referring to the motion or action of flapping up and down, often describing the movement of wings, leaves, or other light objects.

1. Flapping motionB1formal

   The motion made by flapping up and down, as of wings, a flag, or something light.

   飘动

   • The fluttering of the bird's wings caught her attention.
   • He watched the fluttering of the leaves in the breeze.
   • The flag's fluttering was visible from a distance.
   • She felt the fluttering of the fabric as the fan blew.

   同义词beatingflappingwaving

• 动词，用于描述轻快、快速的动作或摆动，常伴随颤动或不规则的运动，通常指鸟类、旗帜或其他轻的物体。

A verb used to describe the act of moving or waving lightly and quickly, often with a trembling or irregular motion, typically referring to birds, flags, or other light objects.

1. Move quickly and lightlyB1formal

   To move or flap the wings or limbs rapidly and lightly without flying.

   轻快移动

   • The butterfly fluttered from flower to flower.
   • Birds fluttered their wings before taking off.
   • Leaves fluttered in the gentle breeze.

   同义词flapflickerflitquivertremblevibratewaver

2. Beat irregularlyB2formal

   To beat or move with a quick, irregular motion, especially the heart.

   心脏不规则跳动

   • Her heart fluttered with excitement when she saw him.
   • He felt his pulse flutter nervously before the speech.
   • The doctor said the heart fluttered due to anxiety.

   同义词palpitatepulsatequiverthrob

3. Move in a restless wayB2informal

   To move about in a restless or aimless manner.

   扑腾

   • She fluttered around the room, unable to sit still.
   • The children fluttered about the garden, chasing each other.
   • He fluttered from one task to another without finishing anything.

   同义词dartflitflitterhoverquiverrippletremblewaver

   反义词restsettle