【医】 ecphylactic region
naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-
defend; guard against; defence
【医】 defense; phylaxis
area; borough; classify; distinguish; district; region; section
【计】 region
【医】 area; belt; field; quarter; regio; region; zona; zone