topsoil
英 [ˈtɒpsɔɪl]
美 [ˈtɑːpsɔɪl]
n. 表土; 表土层
BNC.24100 / COCA.16882
牛津词典
noun
- 表土；表土层
the layer of soil nearest the surface of the ground
柯林斯词典
- 表土（层）
Topsoilis the layer of soil nearest the surface of the ground.
英英释义
noun
- the layer of soil on the surface
双语例句
- Dust storms occur when intense grazing strips pastureland of new growth, leaving the topsoil vulnerable to winds.
当密集的放牧导致新长好的牧草被啃光，让地表土容易被风刮走，沙尘暴就发生了。 - The topsoil has been almost completely washed away.
表土已差不多完全给冲走了。 - The loose heaped ground method of soil reconstruction on the platform can avoid the topsoil to be compacted, and greatly increase rainwater infiltration and disperse surface run off.
排土场平台“堆状地面”土壤重构方法避免了表层土壤压实，并最大限度地增加了水分入渗和分散了地表径流，是解决上述问题的有效途径。 - Heavy rains washed the topsoil away. Deforestation causes erosion.
大雨把表层土冲蚀掉了滥伐造成（土地的）冲蚀。 - The spatial variability of soil organic matter and phosphorous content was larger than that of the other nutrient in topsoil of artificial forestland.
人工林表层土壤养分中有机质和速效磷的空间变异性较大； - Changes of topsoil bulk density and saturated hydraulic conductivity under infiltration condition of water storage pit
蓄水坑入渗表层土壤体积质量和饱和导水率的变化 - If the vegetation is damaged on account of the mining or construction, measures must be taken to rehabilitate the topsoil and vegetation, thereby preventing soil erosion.
因采矿和建设使植被受到破坏的，必须采取措施恢复表土层和植被，防止水土流失。 - Study on the Spacial Variability of Topsoil Heavy Metal of Dongguan City
东莞市土壤重金属含量的空间变异性研究 - The fragile land quickly lost its topsoil and became nothing but sand and dust.
那单薄的土地很快就失去了表土，成为沙粒和尘埃。 - Studies show that ski runs increase erosion and destroy plant life beyond simply the growth cut down for the runs; they can also cause permanent damage to topsoil and plants beneath the surface.
研究表明，滑雪道对植物的侵蚀和破坏不仅是砍伐它们、开辟坡道那么简单；它还会对表层土和地表以下的植物造成永久性破坏。