4 Animals of the Air-Low

Animals of the Air FOCUS Question How do animals move in the air?

空中的动物焦点问题动物如何在空中移动?

Some animals fly in the air. How are animals that fly the same? How are they different?

有些动物在空中飞行。 会飞的动物是怎样的呢? 它们有什么不同?

Some animals have wings. Wings let animals fly. Wings come in many shapes and sizes. Do You Know? Butterflies have four wings.

有些动物有翅膀。翅膀让动物飞翔。 翅膀有许多形状和大小。 你知道吗?蝴蝶有四只翅膀。

Birds have feathers. Feathers help birds fly. They also keep birds warm and dry.

鸟有羽毛。羽毛帮助鸟类飞行。 它们还能让鸟类保持温暖和干燥。

Not all animals that fly have feathers. Bats and dragonflies do not have feathers. Bats have hair on their wings. Dragonfly wings are smooth.

并不是所有会飞的动物都有羽毛。 蝙蝠和蜻蜓没有羽毛。 蝙蝠的翅膀上有毛。 蜻蜓的翅膀很光滑。

Some animals move through the air without wings. They have extra skin. It helps them float on air. They cannot fly very far.

有些动物在空中飞行时没有翅膀。 他们有额外的皮肤。它帮助他们漂浮在空中。 它们不能飞很远。