The ugly duckling flapped his wings .

丑小鸭拍动了他的翼。

The pheasant flapped around for a few seconds .

那只野鸡拍打着翅膀在附近飞了几秒钟。

The gale flapped the flags .

强风于旗子啪啪地飘动。

The heron flapped slowly off across the lake .

那白鹭振翅向湖对岸慢慢飞去。

I could hear the beating air as they flapped their ears slowly , opening and closing like butterfly wings .

我能听到它们慢慢扑扇耳朵发出的啪啪声耳朵一张一合，就像蝴蝶在扇动翅膀。