- 重点词汇
- 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）
- foodn. 食物，食品;粮食;养料;资料;
- growingadj.生长的;成长中的;增长的;初期的困难（或问题等）;
- countriesn.国家( country的名词复数 );国土;郊外;地区;
- lossn.损失;丧失;去世;亏损;失败;失落;
- productiveadj.富有成效的;多产的;生产性的;具有创造性的;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- topsoiln.表土（层），耕作（层）;耕层;
- ofprep. 关于;属于…的;由…制成;
- contributedv.捐献( contribute的过去式和过去分词 );捐助;撰稿;投稿;
- manyadj.许多，多的;
- 相关例句
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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But that's only half the battle -- particularly in a year when finances are topsy-turvy.
但这仅是半场“战役 ” - 尤其在这个经济不景气的年头.
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