【医】 Beggiatoaceae
clear; free of charge; in vain; pure; white; whiteness
【化】 leuco-; leuko-
【医】 albo-; leuco-; leuk-; leuko-
【医】 sulfur bacteria; thiogenic bacteria
a branch of academic study; family; pass a sentence; section
【化】 family
【医】 department; family; family systematic
【经】 accountant's department; division head; section