【计】 reverse video
in reverse; on the contrary; turn over
【医】 contra-; re-; trans-
clear; free of charge; in vain; pure; white; whiteness
【化】 leuco-; leuko-
【医】 albo-; leuco-; leuk-; leuko-
show; display; reveal; announce; demonstrate; indicate; manifest; prove
【计】 show