你曾注意过那咖啡色或黑色的泥土吗?每天,你上学时,脚下踩的就是泥土。它虽然被无数人踩着,但是从不向人类索取报酬,只是默默地承受着一切。每当你外出游览时,会注意那翠绿挺拔的参天大树,会欣赏那美丽的花朵,也会赞美那生机勃勃的小草,但你注意过那藏着植物根基的泥土吗?你也许不会注意它,因为它是那么平凡,那么没有吸引力。所以如果没有泥土,哪来树木花草,哪来人类生物呢?因为泥 Did you notice that brown or black earth? Every day when you go to school, you step on the soil. Although it is trampled upon by innumerable people, it never solicits remuneration from mankind, but takes it silently. Whenever you go out to visit, will pay attention to that towering towering towering trees, will appreciate the beautiful flowers, but also praised the vibrant grass, but you have noticed that possession of plant-based soil? You may not Will pay attention to it, because it is so ordinary, so unattractive. So if there is no soil, where are the trees and flowers, which come from human beings? Because of mud