yeast是一个雅思常考词汇，这个词的常用解释为n. 酵母，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。
在赫尔曼·梅尔维尔的《白鲸》里，有这样的句子出现：
-- All alive to his jeopardy, he was going "head out"; that part obliquely projecting from the mad yeast which he brewed.
在丹尼尔·笛福的《鲁滨逊漂流记》里，有这样的句子出现：
-- Then I wanted a mill to grind it sieves to dress it, yeast and salt to make it into bread, and an oven to bake it; but all these things I did without, as shall be observed; and yet the corn was an inestimable comfort and advantage to me too.
-- In the next place, I had no hops to make it keep, no yeast to made it work, no copper or kettle to make it boil; and yet with all these things want-ing, I verily believe, had not the frights and terrors I was in about the savages intervened, I had undertaken it, and per-haps brought it to pass too; for I seldom gave anything over without accomplishing it, when once I had it in my head to began it.
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