The clever girl gradually found the key to keeping balance.

这个聪明的女孩逐渐发现了保持平衡的关键。

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At the same time, they are important for keeping balance of nutrition resources in ecosystem, increasing yield, improving quality of farm prodution, reducing pollution and improving human nutrition.

同时，它们对维持整个生态环境中养分资源稳定和平衡、增加农产品数量、提高品质、减少农业环境污染、改进人类各种营养状况有非常重要的意义。

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Keeping balance is crucial for the delicate arachnids, which would likely die in a fall.

对于脆弱的蛛形纲动物来说，保持平衡是至关重要的，任何摔落都可能丧命。

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By keeping women under the household of the men of their original family, the upper-class Romans tried to balance these different households in size and importance.

所以女子保留娘家的家户关系，有助于罗马上层阶级,平衡不同家户的规模及地位。

耶鲁公开课 - 新约课程节选

Isn't it difficult being a mother and a professor at the same time and keeping a balance between the two?

同时做母亲和教授是不是很困难呢？两者之间取得平衡不容易吧？

教授的梦想 - SpeakingMax英语口语达人

Restructuring should be aimed at keeping the balance sheet healthy by improving corporate governance.

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As people drew their breath it elegantly sprang back, keeping her balance perfectly.

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Keeping that balance, says town manager Chris Whelan, has allowed Concord to stay current while preserving its dozens of historical spots, including Ralph Waldo Emerson's house, a Revolutionary War battle site, and Walden Pond, a national historic landmark.

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