卓能18650电芯什么材料:高手帮忙翻译一段关于蚯蚓的文章。

来源:百度文库 编辑:高考问答 时间:2024/05/01 01:48:05
拒绝机器翻译,要求准确简洁。谢谢

蚯蚓是一种有益的动物。在地面上他是其他动物的食物。在地下,它为田野和花园制造肥沃的土壤。
蚯蚓能挖洞,而洞穴能使土壤疏松,因而使空气和水更容易达到植物的根部。这些洞穴还有利于土壤的排水。
蚯蚓把枯萎的树叶,草和花瓣拖进洞穴中。当这些主物垃圾腐烂后,就使土壤肥沃。
蚯蚓对制造优良的表层土壤所起的作用是其他任何动物比不上的。据估计,50000条蚯蚓一年内能在一英亩的土地上制造大约18吨的优良土壤。

The earthworm is one kind of beneficial animal. In the ground he is other animals' foods. In underground, it for field and garden manufacture fertile soil.

The earthworm can dig a hole, but the cavern can cause the soil loosely, thus causes the air and the water is easier to achieve the plant the root. These caverns are also advantageous to soil draining water.

The earthworm the leaf which withers, the grass and the flower petal put in the cavern. After these principal object trash rotten, causes the soil to be fertile.

The earthworm to makes the role which the fine surface layer soil plays is other any animals does not compare. It is estimated, in a 50,000 earthworms year can make the about 18 ton fine soils on acre land.