One step in its formation on Earth involves microorganisms; they actually speed up the formation of jarosite dramatically.

在地球上形成黄钾铁矾的其中一个步骤涉及到微生物；实际上，微生物能大幅加快黄钾铁矾的形成。

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One way to determine your foot shape is to do a "wet test"—wet your foot, step on a piece of brown paper and trace your footprint.

有个能确定你的脚型的方法就是做“湿足测试”——把你的脚浸湿，踩在一张牛皮纸上，然后勾画出你的脚印。

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This enterprising farmer seems to be one step ahead of the rest, bagging his fruits while they're still on the tree.

这位很有远见的村民看起来比别人都提早一步，他在果实还在书上的时候就给它们套上了袋。

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"This is not a sign of weakness, but rather one more step on a clearly charted path to Chrysler's revival.

VOA: standard.2009.04.30

Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.

这意味着我在下一步里解决的问题,规模要小了一半，好，课堂材料的第三题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because it's just one more step on the road of mastering the English language step by step.

你就能离说一口流利的英语更近一步了！

I'd rather 课堂 - SpeakingMax英语口语达人

While the New START treaty is an important first step forward, it is just one step on a longer journey.

WHITEHOUSE: Signing of New START Nuclear Arms Treaty with Russia

If you know the answer to that question and ideally can get the customers to write checks in advance, then you have a start on step one.

FORBES: You don't need a better mousetrap, or three steps to start a successful business

The UK was moved down one step on the scale from Aaa to Aa1.

BBC: Q&A: UK credit rating downgrade