prenatal
adj.
1826, formed in English from pre- + natal.
〔蒋〕[pre-前，nat出生，-al…的] 出生以前的
〔李〕[pre-=before在……之前；nat=to be born出生；-al a.=of……的→“of the time before being born出生前那段时间的”→] a. prior to birth胎儿期的
〔蒋〕[pre-前，nat出生，-al…的] 出生以前的
〔李〕[pre-=before在……之前；nat=to be born出生；-al a.=of……的→“of the time before being born出生前那段时间的”→] a. prior to birth胎儿期的