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GRE出國(guó)考試難句解讀九.

2017/08/08 00:55:18 編輯: 瀏覽次數(shù):320 移動(dòng)端

  33.It is one of nature‘s great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants‘ leaves are bathed in a sea of nitrogen gas.下述情形真可謂是自然界的一個(gè)莫大諷刺:土壤中所能獲得的氮肥量往往對(duì)植物的生長(zhǎng)構(gòu)成了一個(gè)上限,雖然植物的葉子被沐浴在一片氮?dú)獾暮Q笾小?/p>

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