【医】 Menge's operation
class; door; gate; gateway; ostium; phylum; school
【计】 gate
【医】 binary division; hili; hilum; hilus; phylum; pore; Pori; porta; portae
portal; porus; pyla
【经】 portal
case; division; metre; square; standard; style
【计】 lattice
family name; surname
operation; surgery
【医】 operation