【化】 feed water stop valve
allow; give; grant; let; tip
【医】 administer
clough; floodgate; lock; milldam; sluice; water gate; waterlocks
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