What are bugs? Bugs usually have thick skin. 什么是虫子？它们通常有厚厚的外壳。

　　There are many kinds of bugs. 虫子有很多种。

　　Some bugs have body parts. 有些虫子有身体部位。

　　For example, antibodies have three parts.  例如，抗体有三个部分。

　　And some bugs have antennas in wings. 一些虫子在翅膀上有触角。

　　There are many interesting facts about bugs. 世界上有许多虫子的趣闻。

　　Do you know how flies taste food? 你知道苍蝇是怎么品尝食物的吗？

　　Flies can taste food with their feet. 它们可以用足品尝食物。

　　And the bees are stronger than humans. 蜜蜂比人类还强壮,

　　And they can carry things fifty times heavier than their own weight. 它们可以搬动超过体重50倍的东西。

　　Bees fly over eighty kilometers a day to find food. 蜜蜂每天飞行80多公里来寻找食物。

　　Did you know that bugs are the oldest animals in the world? 你知道虫子是世界上最古老的动物吗？

　　They appeared three hundred fifty million years ago. 它们出现在3亿5千万年前。