【法】 monroe doctrine
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
catch birds with a net; collect; display; net; sift; silk
【经】 gross
creed; ism; principle
【法】 doctrine