nonvitalWiktionary 原文构词拆分non-前缀Used in the sense of no or none, to show lack of or failure to perform; or in the sense of not, to negate the meaning of the word to which it is prefixed.+vital词根/词干词源说明From non- + vital.释义（英文）形容词 AdjectiveNot vital (in various senses); thus, often not essential for life(dentistry) Not containing living nerve tissue词族派生词（2）nonvitalitynonvitally