好奇为什么 · 4-8 岁

鸟为什么会飞

翅膀和空气的合作

科普启蒙约 5 分钟4-8 岁中英双语

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公园里，一只小鸟扑棱着飞走。米米抬头问：“鸟为什么会飞？”

In the park, a little bird flaps up and away. Mimi looks up and asks, “Why can birds fly?”

公园里，一只小鸟扑棱着飞走。米米抬头问：“鸟为什么会飞？”

In the park, a little bird flaps up and away. Mimi looks up and asks, “Why can birds fly?”

爸爸牵着米米说：“我们仔细看看它的翅膀和身体吧。”

Her father holds Mimi’s hand and says, “Let’s take a close look at its wings and body.”

翅膀弯弯的，和空气相遇时，会把空气向下拨。

A wing has a curved shape. As it moves through the air, it pushes air downward.

空气也会向上推翅膀，这股向上的力叫升力。

The air pushes back upward on the wings. That upward force is called lift.

拍翅时，翅膀还把空气向后推，鸟就获得向前的推力。

When the bird flaps, its wings also push air backward, giving the bird a forward thrust.

羽毛铺成翅膀，胸肌有力，骨骼轻而结实，大家一起帮忙。

Feathers shape the wings, strong chest muscles power the flaps, and a light, sturdy skeleton helps too. They all work together.

小鸟飞上树枝。米米说：“原来飞行是许多帮手一起合作！”

The little bird lands on a tree branch. Mimi says, “Flying happens because many helpers work together!”

米米又问：“那鱼为什么能在水里呼吸？”

Then Mimi asks, “How can fish breathe underwater?”

翅膀的形状和动作让空气产生升力与推力，羽毛、胸肌和轻而结实的骨骼一起帮助鸟飞行。

Wing shape and movement create lift and thrust, while feathers, strong muscles and light bones help birds fly.

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