英语释义

• the layer of soil on the surface

片语

crusted topsoil表土结皮

primordial topsoil原生表土

deep topsoil深厚表土层

imported topsoil外来表土

topsoil cultivation浅松作业

topsoil driving表土掘进

英汉例句

• under flood conditions, great amounts of topsoil are washed to receiving streams.

  在洪水泛滥时, 大量表层土壤被沖刷到承受的水流中.

• the auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.

  屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水.

• in most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below.

  在大多数情况下，要从油沙中提炼出石油需要先把覆盖该地区的森林砍掉，排干地面的水分，去掉表层土然后当然就是把地下的油沙挖出来。

• 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，沖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。

• topsoil excavated from the work site shall be applied onto the gabions.

  从工地挖出的表土须用于筑堤的石笼上.

• this causes environmental damage when the topsoil is washed away by the rains.

  雨水沖走表层土壤会造成环境破坏。

• this topsoil tends to wash away.

  表层土壤要沖掉了.

• scaled-up financing for african agriculture, including investments in crop adaptation, topsoil preservation, drip irrigation—all this and more is urgently required.

  我们用该扩大对非洲农业的资助，其中包括对农业生产改革的投资、表层土保护（农作物生长的基本都来自表层土）和滴灌(节约水的一种灌溉方式)，所有的这一切都急待实施。

• 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.

• a thin layer of topsoil was swept away.

  薄薄的一层表土被沖走了。

• one major problem is that degraded soils become compacted and so absorb less water, which then tends to run off the surface, taking topsoil with it.

  一个主要的问题是，退化的土壤变得密实，造成吸水量减少，从而导致水从地表流失并将表土带走。

• when all topsoil is gone, nothing remains but a worthless desert.

  当表层土流失后, 就只剩下一片无用的沙漠.

• 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。

• many farmers use good conservation practices, and the state’s rich topsoil in many areas is deep enough to last decades with moderate amounts of erosion.

  很多农民采用较好的保护土地的措施，并且爱荷华州广袤而丰饶的表层土的深度足以持续数十年适度的大量土地侵蚀。

• because of poor environmental management and poverty, more than 98 percent of the country「s forestland land had been cleared, eliminating the topsoil that could have held the water.

  由于对环境缺乏有效监管以及受贫困影响，这个国家超过98%的林地被砍伐殆尽，已完全丧失了能够涵养水分的表层土。

• 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。

• topsoil is a precious resource, and we don’t have enough topsoil to replace it.

  表层土是非常珍贵的资源，我们不可能找来足够的表层土去覆盖那些受过铅污染的区域。

• with the tree cover gone, every rainy season sees more of the precious topsoil washed away into the lake.

  随着植被覆盖面的消失，每次雨季都将更多的宝贵的表土层沖到湖里去。

• when the black topsoil was all washed away, farmers moved westward and started new plantations.

  当表层黑土全部被沖走之后, 农民们就向西部转移,建立新的种植园.

• when rechargeable batteries degrade in landfills, heavy metals can taint the surrounding air, topsoil and groundwater, eventually getting inside our bodies.

  当可再充电电池在垃圾中被降级时，重金属能污染周边的空气，表层土和地下水。最终进入人体。

• they found that the first two and a half centimeters of topsoil are up to seven times stronger against rain than plowed soil.

  他们发现，免耕土壤表层2.5厘米厚的表土抗雨水侵蚀的能力比传统耕作土壤强7倍。

• when city council finally decided to build housing on the section, gardeners and their friends moved an acre of topsoil to the remaining portion of the garden.

  当市议会最终决定要在该地区建设公寓时，园丁们与他们的朋友一起将一英亩土地的表土搬运到花园的剩余部分。

• 「we」ve all heard the stark anecdotes: precious topsoil weakened by over-farming, dust clouds darkening the asian skies, parched land becoming desert and rivers running dry, 」 said mr grice.

  格莱斯说：「大家都听说过这严酷的说法：珍贵的表土因过度耕作肥力降低，亚洲上空尘云遮蔽，焦干的土地荒漠化，河流行将干涸。」

• the topsoil has been almost completely washed away.

  表层土壤已差不多完全给沖走了.

• 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。