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Bugs
蟲子
What are bugs? Bugs usually have thick skin.
什么是蟲子？它們通常有厚厚的外殼。
There are many kinds of bugs.
蟲子有很多種。
Some bugs have body parts.
有些蟲子有身體部位。
For example, antibodies have three parts.
例如，抗體有三個部分。
And some bugs have antennas in wings.
一些蟲子在翅膀上有觸角。
There are many interesting facts about bugs.
世界上有許多蟲子的趣聞。
Do you know how flies taste food?
你知道蒼蠅是怎么品嘗食物的嗎？
Flies can taste food with their feet.
它們可以用足品嘗食物。
And the bees are stronger than humans.
蜜蜂比人類還強壯,
And they can carry things fifty times heavier than their own weight.
它們可以搬動超過體重50倍的東西。
Bees fly over eighty kilometers a day to find food.
蜜蜂每天飛行80多公里來尋找食物。
Did you know that bugs are the oldest animals in the world?
你知道蟲子是世界上最古老的動物嗎？
They appeared three hundred fifty million years ago.
它們出現在3億5千萬年前。
