primitive
英 ['prɪmɪtɪv]
美['prɪmətɪv]
	    - adj. 原始的,远古的;简单的,粗糙的
 - n. 原始人
 
英英释意
- 1. a person who belongs to early stage of civilization
 
- 2. a mathematical expression from which another expression is derived
 
- 3. a word serving as the basis for inflected or derived forms;
 - "`pick' is the primitive from which `picket' is derived"