1. This species is primitive, appearing earlier than Homo sapiens.
这个物种是原始的,比智人更早出现。
2. People in primitive societies relied on hunting and gathering for survival.
原始社会的人们依靠狩猎和采集为生。
3. The design of this tool is very primitive.
这个工具的设计非常原始。
4. Primitive architectural styles usually use simple materials.
原始的建筑风格通常使用简单的材料。
5. Primitive belief systems may include nature worship.
原始的信仰体系可能包含自然崇拜。