根的英語翻譯：

base; cause; foot; origin; radix; root; source
【化】 radical
【醫(yī)】 rad.; radical; radices; radix; rhizo-; root

管的英語翻譯：

canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【醫(yī)】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel

療法的英語翻譯：

therapeutics; therapy; treatment
【醫(yī)】 cure; iateria; iatreusis; therapeusis; therapeutics; therapia; therapy
treatment