Birds can flap their wings, soar, glide or hover.
鸟儿能振动翅膀、高飞、滑翔和盘旋。
There are four different ways of flying. Birds can flap their wings, soar, glide or hover. Many birds fly …
羡慕飞鸟的自由，想像海鸥那样在蓝空飞翔，那就来这里看看不同的鸟怎么飞吧！
There are four different ways of flying. Birds can flap their wings, soar, glide or hover. Many birds fly …
羡慕飞鸟的自由，想像海鸥那样在蓝空飞翔，那就来这里看看不同的鸟怎么飞吧！
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