- 重点词汇
- cmabbr. centimeters 厘米;Cameroon 喀麦隆;Counter-Measures 反措施;Cruise Missile 巡航式导弹;
- 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)
- 20num. twenty;
- ofprep. 关于;属于…的;由…制成;
- samplesn.样品( sample的名词复数 );(作为标准或代表的)样品;(化验的)取样;(抽查的)样本;
- 有不adv. (否定后面的词或短语,或作否定的回答)不;(构成动词be、do和have及情态动词can或must等的否定形式,常缩略为n't)没有;否,或许不;(拒绝或不允许)不
- amongprep. (表示牵涉)经过;(表示位置)处在…中;(表示范围)在…之内;(表示所属)为…所特有;
- onlyadv.只有;只不过;仅仅;唯有;…才;只能;只会不料;
- 相关例句
On the wide level acres of the valley the topsoil lay deep and fertile.
在山谷中广袤平坦的大地上,覆盖着厚实肥沃的土层.
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This causes environmental damage when the topsoil is washed away by the rains.
雨水冲走表层土壤会造成环境破坏。
《柯林斯高阶英汉双解学习词典》
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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