使双腿挺直，直到他们完全伸展开。

Straighten both legs until they are fully extended.

《柯林斯英汉双解大词典》

由于别名是一种展开形式而不是替换，它使您可以继续向别名命令添加选项和参数。

Because the alias is an expansion and not a replacement, it enables you to continue adding options and arguments to an aliased command.

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针对麻鸦展开的工作使它们有了大量的芦苇垫，所有的野生鸟兽也以此为优先。

Focused work on bitterns has led to great gains for reed-beds and all the wildlife associated with this priority habitat.

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