带指甲或爪的动物的足，尤指四足动物的爪。
The nailed or clawed foot of an animal, especially of a quadruped.
许多土壤动物的爪趾具有优良的不粘土功能，这对农业机具减粘脱土的仿生研究，具有重要的实际意义。
The fine function unadhering soil of claws of many soil animals has a practical significance for bionic research on the agricultural machines and tools.
在一些动物中，侧化只是对单爪或单脚的偏好，而在另一些动物中，则表现为更普遍的行为模式。
In some animals, lateralisation is simply a preference for a single paw or foot, while in others it appears in more general patterns of behaviour.
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