preexposure

/pree-ik-spoh-zher/US // ˌpri ɪkˈspoʊ ʒər //

曝光前,接触前,暴露前,预先接触

Definitions

n.名词 noun

1
- : exposure beforehand.
- : Photography. the exposing of a film to even light, before photographing a subject, to increase its sensitivity.