三年級保護動物的英語作文

我們地球上有許多有益的動物，我們要保護它們。

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

青蛙它是兩棲動物。它生活在水裏，或在靠近水邊的地方。它專門吃田裏害蟲。它是農作物的“忠誠衞士”，是天然的捕蟲機。一隻青蛙平均一天吃70只害蟲，一年能吃掉15000條害蟲。

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.

蜻蜓也很厲害。一隻蜻蜓一個小時能吃20個蠅子或840只蚊子，真令人驚訝!

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

燕子就更厲害了，它一隻燕子一個夏天就能吃掉50萬條害蟲，燕子真是人類的好幫手!

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

蜜蜂可以給我們人類帶來甜甜的蜜，它也對我們有益的，我們要保護它。

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

地球上的有益動物，我們都要保護它們。

Useful animal on earth, we should protect them.