more primitive [mɔr ˈprɪmɪtɪv]

例句:

• For example, the teeth are more primitive. There are large canines and unusually shaped incisors.
  譬如, 牙齿更为原始, 有大的犬齿和非常合适的门齿.
  
• We are becoming more primitive and animalistic.
  来自SA
• The tribe's development was more primitive than that of their neighbours.
  那个部落处于比邻近部落更原始的发展阶段.
  
• The commoner two opposing Character - States is likely to be the more primitive.
  共同具有两个相对性态者可能是更原始的.
  
• But new research suggests a more primitive source of our powers of self-discipline.
  来自SA
• For example, more primitive species may develop instincts that help them survive.
  来自VOA