原始人

The protohuman species roamed the savannas in search of food and shelter.
这些原始人类物种在大草原上游荡，寻找食物和栖身之所。
The study of protohuman fossils sheds light on the evolution of our earliest ancestors.
对原始人类化石的研究揭示了我们最早祖先的进化过程。
Protohuman communities likely communicated through a combination of gestures and proto-language.
原始人类社区可能通过手势和原始语言的组合进行交流。
The discovery of tools dating back tens of thousands of years suggests protohumans possessed a certain level of cognitive complexity.
发现数万年前的工具表明原始人类具有一定程度的认知复杂性。
Protohuman fossils found in Africa are crucial to understanding human origins.
在非洲发现的原始人类化石对于理解人类的起源至关重要。
It is believed that protohumans lived in small, tightly-knit groups for survival.
人们认为原始人类为了生存而生活在小而紧密的群体中。
The transition from protohuman to modern human involved significant physiological changes over millennia.
从原始人类过渡到现代人类涉及了数千年内显著的生理变化。
Studies of protohuman behavior help anthropologists reconstruct ancient social structures.
对原始人类行为的研究帮助人类学家重建古代社会结构。
Protohuman art, such as cave paintings, provides a glimpse into their symbolic thinking.
原始人类的艺术，如洞穴壁画，让我们得以窥见他们的象征性思维。
The development of agriculture marked a significant departure from the protohuman way of life.
农业的发展标志着与原始人类生活方式的重大背离。