presymptomaticWiktionary 原文英美构词拆解prepre-前缀symptomaticsymptomatic词干pre-Before; physically in front of. · Before; earlier in time; beforehand.词源说明From pre- + symptomatic.释义形容词adjective1(medicine) relating to the early stages of a disease, before all symptoms have developed and when therefore accurate diagnosis is not possible.同族词派生词 1presymptomatically