三年级保护动物的英语作文 (800字)

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　　我们地球上有许多有益的动物，我们要保护它们。

　　There are many useful animal we on earth, we should protect them.

　　青蛙它是两栖动物。它生活在水里，或在靠近水边的地方。它专门吃田里害虫。它是农作物的“忠诚卫士”，是天然的捕虫机。一只青蛙平均一天吃70只害虫，一年能吃掉15000条害虫。

　　Frog it is amphibious animal. It lives in the water, or in close proximity to the waters. It is designed for field pests. It is the crop "loyal guards", is a natural insect catching machine. The average of a frog to eat 70 pests a day, a year can eat 15000 pests.

　　蜻蜓也很厉害。一只蜻蜓一个小时能吃20个蝇子或840只蚊子，真令人惊讶!

　　Dragonfly is also very powerful. A dragonfly one hour to eat 20 or 840 mosquitoes fly, really surprising!

　　燕子就更厉害了，它一只燕子一个夏天就能吃掉50万条害虫，燕子真是人类的好帮手!

　　The swallow is even more powerful, it is a swallow a summer can eat 500000 pests, swallow is a really good helper!

　　蜜蜂可以给我们人类带来甜甜的蜜，它也对我们有益的，我们要保护它。

　　Bees can give us to bring sweet honey, it is good for us, we must protect it.

　　地球上的有益动物，我们都要保护它们。

　　Useful animal on earth, we should protect them.

文章标签：三年级英语作文