1. The Paleolithic era was characterized by the use of stone tools and hunting-gathering societies.
旧石器时代以使用石器工具和狩猎采集社会为特征。
2. The Paleolithic diet consists of foods that were available to early humans, such as meats, fruits, and vegetables.
旧石器时代饮食包括早期人类可获得的食物，如肉类、水果和蔬菜。
3. Archaeologists have discovered many Paleolithic cave paintings that depict scenes from daily life.
考古学家发现了许多描绘日常生活场景的旧石器洞穴壁画。
4. The Paleolithic period lasted from about 2.6 million years ago to around 10,000 years ago.
旧石器时代持续了大约260万年，直到大约1万年前。
5. Paleolithic people were skilled hunters and gatherers who adapted to their environments to survive.
旧石器时代的人类是熟练的猎人和采集者，他们适应环境以生存。
6. The Paleolithic era is often referred to as the Stone Age due to the use of stone tools by early humans.
旧石器时代通常被称为石器时代，因为早期人类使用石器工具。