英语释义
1. occurring, administered, used, or being in the period preceding exposure (as to a stimulus or a pathogen)
pre-exposure rabies vaccination Canon has also added a red-eye reduction pre-exposure light …
— Herbert Keppler — see also pre-exposure prophylaxis
2. of, relating to, occurring in, or being the period preceding exposure (as to a stimulus or a pathogen)
pre-exposure immunization