topsoil

topsoil什么意思,topsoil翻译

基本解释

n.: 表土；表土层
网络: 表层土；上层土；耕层

权威解释

• 表土；表土层:

  the layer of soil nearest the surface of the ground

英汉解释

• 植物生长层

• 耕层

• 土壤上层

• 上层土;表层土

• 表土;耕作层土壤

• 表土,表层土壤,表面土壤

词性分析

• 过去分词：topsoiled

• 现在分词：topsoiling

• 第三人称单数：topsoils

同义词

n.soilearthloamdirtpeat

例句

• The difficulty of the remediation technology was that the topsoil of the site is sticky, small particle size and severely polluted.

  铬渣污染场地的表层土壤由于粘性大、粒径小且污染严重成为治理的难点。

• A week later, no smell could be detected as the workers tamped down a final layer of topsoil.

  一周以后，当工人将最上层的表层土夯实以后，臭味就消失了。

• With hoes and axes, they crafted flat, wide terraces and a simple water-management system that would keep valuable topsoil in place.

  手拿锄头和斧子，他们精心的建造出自己的平地，梯田，和简单的水处理系统，这样可以保持住最肥沃的表层土不要流失。

• Thus the farmer is helping nature rebuild the topsoil that holds the rain, resists the wind and provides food for growing plants.

  因此，农民是协助大自然重建能够存蓄雨水、抵抗风力和滋养各种植物的表面土壤。

• Where there are no trees the rain falls on the surface, causing floods, and carries away with the rich topsoil, in which crops grow so well.

  那里没有树雨点落在表面，形成的洪水，而携带带走了丰富的表层土，庄稼长得这样好。

• After shoveling out the topsoil, Garfinkel uncovered coins and other artifacts from the time of Alexander the Great.

  在铲去了表层土以后，加芬克尔发现了来自亚历山大大帝时期的硬币和其他人工制品。

• 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。

• Aerodynamics roughness length is one of important indexes for estimating topsoil erosion.

  耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。

• Conserving the earth"s topsoil by reducing erosion to the rate of new soil formation or below, involves two principal steps.

  通过将地球表层土的受侵蚀速度降低到新土形成的速度甚或更低，来保护表层土，其中包括两个关键步骤。

• Satellite images show a steady flow of dust storms leaving these regions, each one typically carrying millions of tons of precious topsoil.

  卫星图像显示，沙尘暴连绵不断地离开这些地区，每次都带走无数吨原有的表土层。