flutter与flatter用法的区别

根本就是两个词。

简明英汉词典

flutter
[ˈflʌtə]
vi.
飘动
The coloured flags are fluttering in the breeze.
彩旗在微风中飘扬。
(心)快速跳动
His heart fluttered with excitement.
他因激动而心跳得厉害。
vt. & vi.
振翼, 拍翅膀
The bird fluttered its wings in the cage.
小鸟在笼子里拍动翅膀。
n.
紧张, 激动不安

现代英汉综合大辞典

flutter
[ˈflʌtə]
vi.
振翅, 拍翅, 鼓翼
飘动, 飘扬
颤动; (心脏)急剧跳动; (脉博)浮动; 发抖
心绪不宁, 坐立不安
The wounded bird fluttered to the ground.
那个受伤的鸟拍着翅膀落到地上。
The curtains were fluttering in the breeze.
窗帘在微风中飘动。
He fluttered about the room nervously.
他焦躁地在屋里转来转去。
词性变化
flutter
[ˈflʌtə]
vt.
振(翅), 拍(翅); 使飘动, 使摆动
烦扰, 使焦躁
The bird fluttered its wings.
鸟拍翅膀。
flutter
[ˈflʌtə]
n.
振翅; 飘动, 飘扬
烦躁, 不安; 波动
(身体部分的)病态阵跳
颤振
电视图象颤动;【无】放音失真; [pl.]干扰雷达的锡箔