Fossil finds are notoriously difficult to classify—people disagree on which physiological features are important; and each new find represents a class of one.

对化石发现进行分类是出了名的难——对于各种生理特性重要程度的判定可谓众口难调，而且一有新发现便会编入一个新的分类单位。

youdao

The finding likely applies to other animals, including humans, and suggests that physical performance is constrained by trade-offs between structure and physiological features.

这些发现似乎同样适用于其他动物，包括人类。这意味着体质的能力是受身体结构与生理特征之间的折衷限制的。

youdao

The spleen and stomach have the physiological features of digesting food, absorbing food essence, and distributing nutrients to the whole body.

中焦脾胃具有腐熟水谷，吸收精微，进而将营养物质上输转送到全身的生理特点。

youdao