【电】 twisted pair
again; answer; compound; duplicate; resume; turn over
【医】 amb-; ambi-; ambo-; re-
right; answer; reply; at; check; compare; couple; mutual; opposite; versus; vs
face to face
【计】 P
【化】 dyad
【医】 Adv.; contra-; corps; ob-; p-; pair; par; para-
【经】 vs