【化】 alignment
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
centrality; centre; centricity; core; heart; hub; kernel
【医】 center; centra; centre; centro-; centrum; core