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第27部分

旬,南極地區的臭氧層減少了40%——這已達到一個空前的水平。

2。 In modern agriculture; mineral depletion of coal is a major concern。 在現代農業中,煤炭資源的消耗是最令人擔憂的。

3。 The black loams of the prairies were tempting to New England farmers working their rock and to southeastern farmers plagued with soil depletion。 大草原提供了誘人的黑色土壤——這對整日與岩石地打交道的新英格蘭農民或為土壤貧瘠所困擾的東南部農民來說極具吸引力。

disperse[di'sp?:rs]v。 分散,散開;疏散

例句 1。 In some cases; owls get food from the seeds that are dispersed in the wind。 在一些情況下,貓頭鷹把飄散在風中的種子當做食物。

2。 A survey shows that it is difficult to get to know people personally when they are milling about and dispersed in large groups。 一項調查顯示,當人們兜兜轉轉,分散在大群體中的時候,想要了解一個人是很困難的。

3。 The fact that pollinators obtain food from the flowering plants makes the plants have its pollen distributed and seeds dispersed much more efficiently than they would be if they were carried by the wind only。 傳粉者從開花植物中獲取花粉,這比植物僅依靠風的作用來傳播花粉或分散種子的效率更高。

domestication[d??mesti'kei?n]n。 馴養;教化

例句 1。 Many plicated theories attempt to explain the way of early domestication of animals。 很多複雜的理論試圖解釋早期馴養動物的方法。

2。 The proposed areas of the domestication of African crops lie in a bank in West Africa。 提到的非洲作物馴化的區域位於西非某條河的河畔。

drain[drein]v。(使)流走,流乾;漸漸耗盡

例句 1。 Much of the water in a sample of water…saturated sediment will drain from it if the sample is placed in a dry place。 如果將樣本放在一個乾燥的位置,那麼這個滲滿水的沉積物樣本中大部分的水分都會流失。

2。 It is thought the total volume of water in the saturated sample cannot drain away。 飽和樣品的總含水量被認為是不可能耗盡的。

3。 Endogenous rivers often do not reach the sea but drain into inland basins。 內生河流通常不會流入大海,而是會在內陸盆地中逐漸乾涸。

同義 flow away(流走)

drainage['dreini?]n。 排水;排水系統,排水裝置

例句 Extensive irrigation with poor drainage makes the surface of the soil