A WORD, A WORLD
topsoil
释义
- n.
- 表土；表土层
- 网络
- 表层土；上层土；耕层
展开详细释义
n.
1.表土,表层土壤,表面土壤
2.表土;耕作层土壤
3.上层土;表层土
4.土壤上层
5.耕层
6.植物生长层
词形变化
过去分词：topsoiled 现在分词：topsoiling 第三人称单数：topsoils
在例句中理解 35 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。
Professor Bushberg says removing the topsoil might make the land safe for use. But it depends on the depth of the radioactive material.
布希柏格教授说，移除表层土壤可以保证土地的使用安全，但这取决于放射性物质渗入的深度。
the hollow block is close to the topsoil and has larger contact area with the topsoil, which causes the block not easily shed.
接近表层土，与表层土体的接触面积更大，块体不易脱落；
Across China, rare earth mines have scarred valleys by stripping topsoil and pumping thousands of gallons of acid into streambeds.
在中国各地，稀土矿场上的表层土遭到滥挖而流失，大量酸性污水涌入河床，致使山谷水土流失及环境污染极其严重。
Angkor may have suffered problems common to modern times, including deforestation, overpopulation, topsoil degradation and erosion.
吴哥可能已经遭受过和现代相同的问题，包括滥伐森林，人口过剩，表土退化和侵蚀。
Still, on a warm winter day, it is possible to bring in the saved topsoil into our new raised beds.
在冬季相对温暖的时候，依然可以把这些储存下来的上层土壤运送到新的培植床上。
When the black topsoil was all washed away, farmers moved westward and started new plantations.
当表层黑土全部被冲走之后，农民们就向西部转移，建立新的种植园。
These floods have been very useful because they irrigate the Nile Delta and deposit a rich layer of topsoil used for growing crops.
这些洪水一直非常有用，因为它们灌溉着尼罗河三角洲，沉积下厚厚的一层表土，可以用来种庄稼。
Topsoil temperature were obviously enhanced. But with increased depth of soil, the impact degree of soil temperature gradually reduced.
覆盖措施可明显提高土壤表层温度，但随深度的增大，影响程度逐渐减小；
Miners scrape off the topsoil and shovel golden-flecked clay into dirt pits, using acids to extract the rare earths.
矿工们挖去表层土，然后把这些闪着点点金光的粘土铲进一个灰坑内，用酸来提取出稀土矿。
When digging a hole for planting, one should put topsoil and subsoil in two different sides of the hole.
挖栽植坑时，应将表土和底土分别放在坑的两侧。
It would appear that the inputs are insufficient to offset the mobilization and leaching of calcium from the topsoil.
钙的转入量看来不足以补偿从表土中活化和淋失的钙。
During construction of the camp, care should be taken to cause as little damage as possible to the vegetation and topsoil.
在建造安置点的过程中，应当注意尽量减少对植被和表层土壤的破坏。
Located on a prehistoric lake bed, which accumulated nutrient-rich sediment, contributing to the fertile topsoil.
农场建立在史前湖床之上，这里积聚了富含营养的沉积物，形成了肥沃的表层土。
Advantages claimed for no-till are that it decreases water evaporation and runoff, soil erosion and topsoil depletion.
免耕模式的优点被强调为减少水分蒸发与逃逸，减少土壤侵蚀与表面土壤衰竭。
Irregular rainfall and loss of topsoil means that the land produces less than before.
无常的降水和表层土壤的流失都使土地逐渐减产。
This topsoil tends to wash away.
表层土壤要冲掉了。
When the tarps were removed four days later, the stench hit the workers like a hammer; topsoil was quickly applied.
结果，四天之后当工人们揭开防水布时，冲天的臭气简直要把人熏晕过去。这些表层土很快被掩埋了起来。
If just four centimeters of topsoil is scraped off the contaminated farmland, the ministry says, it would create 3. 3 million tons of waste.
农业省说，即便只给受污染的农田刮去4厘米厚的表土，就会产生330万吨的废土。
SO the topSOil is bits of rock mixed with things that are once alive. These things in the topSOil that were once alive are called humus.
可见，土壤是石粒和曾经是活体的物质的混合物。表土中这种曾是活体的东西叫做“腐殖质”。
They've plowed up tenacious old prairies, where trees rarely grew, then left the seedlings and the topsoil to blow away.
他们翻耕年代久远、几乎不长树的草场，然后任由树苗和表层土壤被风吹走。
Stone is the foundation, above which is soil, and then topsoil.
石头是基础，上面是泥土，再上面是表土。
Dump the topsoil here.
把表土倒在这里。
The topsoil has been almost completely washed away.
表层土壤已差不多完全给冲走了。
According to scientists, it takes nature 500 years to create an inch of topsoil.
根据科学家们的看法，自然界要用500年的时间才能形成一英寸的表层土壤。
Straw mulching, cultivating and hoeing , regulating the root distribution in the topsoil are effective measures to reduce the soil evaporation.
秸秆覆盖、中耕锄划、调控表层土壤根系分布等可作为减少土壤蒸发的有效措施。