n.(数千年前的)穴居人，野蛮的人，粗野的人

原形：caveman复数：cavemen

The caveman used a stone axe to hunt for food.
这个穴居人用石斧狩猎食物。
Cavemen drew pictures on the walls of their caves to communicate.
穴居人在洞穴壁上画画以进行交流。
Life as a caveman was harsh and often dangerous.
穴居人的生活艰难且常常充满危险。
The discovery of a caveman's skull provided insight into early human history.
发现了一具穴居人的头骨，为早期人类历史提供了见解。
Children enjoyed pretending to be cavemen during their playtime.
孩子们在玩耍时喜欢假装是穴居人。
Cavemen relied heavily on fire for warmth, cooking, and protection.
穴居人严重依赖火来取暖、烹饪和保护自己。
Archaeologists found ancient tools that suggested cavemen were more sophisticated than initially thought.
考古学家发现了古代工具，表明穴居人比最初认为的更为先进。
The cave paintings depicted cavemen's daily life and their encounters with wildlife.
洞穴壁画描绘了穴居人的日常生活以及他们与野生动物的相遇。
Scientists believe that cavemen lived in small tribes for safety and support.
科学家认为穴居人为了安全和支持而生活在小部落中。
Cavemen's survival instincts and adaptability have greatly influenced human evolution.
穴居人的生存本能和适应能力极大地影响了人类的进化。