conservation是一个雅思常考词汇，这个词的常用解释为n. 保存， 保护， 保守； 守恒， 不灭，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在列夫·托尔斯泰的《复活》里，有这样的句子出现：
-- And Simonson again occupied himself with making the fire, which he did according to his special theory of the greatest conservation of heat energy.
在列夫·托尔斯泰的《安娜·卡列尼娜》里，有这样的句子出现：
-- The physical organization, its decay, the indestructibility of matter, the law of the conservation of energy, evolution, were the words which usurped the place of his old belief.
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