【医】 opposition
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
accrue; crude; rawness; unripe; give birth to; grow; living; procreate
student
【医】 bio-