prenatalWiktionary 原文中文来自 ECDICTadj.出生以前的，孕期的构词拆分pre-前缀Before; physically in front of. · Before; earlier in time; beforehand.+natal词根/词干词源说明From pre- + natal.释义（英文）形容词 AdjectiveBeing or happening before birth.名词 NounA person who is expecting to give birth.A dietary supplement to be taken by somebody expecting to give birth.词族派生词（1）prenatally