- 重点词汇
- sandyadj.沙的，沙质的;含沙的;多沙的;沙色的;
- graveln.沙砾，碎石;砾石;[医]结石;
- andconj. 和，与;而且;于是，然后;因此;
- dominatedadj.受控的;
- hereadv. 在这里;这时;在这一点上;（给某人东西或指出某物时说）;
- soilsn.泥土( soil的名词复数 );国土;领土;土地;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- topsoiln.表土（层），耕作（层）;耕层;
- byprep. 在…旁边;表示方式;由于;经过;到…之前;
- 相关例句
Floods can remove fertile topsoil and begin a process resulting in the loss of planting areas.
洪水可以带走肥沃的表土层,最终导致种植区域的损失.
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In many countries the loss of productive topsoil has contributed to growing food deficits.
在许多国家里,生产性表土的流失已导致日益严重的粮食短缺.
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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厚的表层土壤.
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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.
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Under flood conditions, great amounts of topsoil are washed to receiving streams.
在洪水泛滥时, 大量表层土壤被冲刷到承受的水流中.
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Erosion, the wearing away of topsoil by wind and rain, also contributes to water pollution.
侵蚀, 服装以外的表土被风和雨, 也有助于水污染.
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Topspin spin is when the ball is spinning over itself in the direction moving forward.
许多网球选手对于落地回击上旋球有误会.我将试着简略地阐明一下.
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Topsy would hold a perfect carnival of confusion , for some one or two hours.
托普西就会恣意胡闹上一、二个小时.
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Their scrapping the contract is turning all our arrangements for the performance topsy-turning.
他们毁约,打乱了我们所有的演出安排.
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The children turned the whole house topsy-turvy when their mother went out.
当母亲不在家时,孩子们把屋里都翻遍了.
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The refusal of the actor turned all our arrangements for the performance topsy-turvy.
那个演员拒绝出台把我们整个演出安排都搞乱了.
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