explicative
['ɛksplɪketɪv]
近义词analytical 
		- adj. 阐明的;解释的
 
英文词源
- explicative (adj.)
 - 1640s, "having the function of explaining," from Latin explicativus, from explicat-, past participle stem of explicare "unfold; explain" (see explicit). As a noun, from 1775.