【计】 open-collector gate
collector
【化】 collector
carve out a way; open a way; open circuit; plough
【化】 open circuit
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