【化】 kiln hole
kiln; stove
【化】 kiln
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
cave; cavity; hole; hollow
【化】 hole; opening
【医】 bore; cava; cavern; caverna; cavitas; cavitat; cavity; cavum; syringo-