【计】 Backus-Naur form; BNF
bar; be close to; cling to; hope earnestly
【化】 bar
【医】 bar
a branch of academic study; family; pass a sentence; section
【化】 family
【医】 department; family; family systematic
【经】 accountant's department; division head; section
this
【化】 geepound
【计】 normal form