其他时候，他强迫她完全独立行走。

At other times, he'd force her to walk totally unassisted.

《柯林斯英汉双解大词典》

今天，只有三个国家独立完成了太空行走。

Today, only three countries have finished spacewalks independently.

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凯威尔和施密特认为这表明了在两个非洲类人猿谱系中关节行走行为的独立进化。

Kivell and Schmitt think this suggests the independent evolution of knuckle-walking behavior in the two African ape lineages.

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