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
different; other; separate; strange; surprise
【计】 exclusive-OR
【医】 allotrio-; heter-; hetero-; pecilo-; poecil-; poikilo-
third
【化】 benzal; benzal (group); benzylidene; benzylidene (group); toluenyl
toluylene