【医】 observing tubes
observe; survey; espial; look into; watch
【化】 observation
【医】 observation; view
【经】 observation; take stock of
canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【医】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel
