| 释义 | 
             
                conariohypophysial tract
                
            途迹tú jì 
 tract胃肠道wèi cháng dào 
 gastrointestinal tract管道guǎn dào 
 conduit, pipeline, piping, tract蛔厥huí jué 
 ascariasis of biliary tract土地tǔ dì 
 glebe, ground, soil, tract地域dì yù 
 clime, section, terrain, tract, zone呼吸道感染hū xī dào gǎn rǎn 
 RTI(respiratory tract infection)消化道xiāo huà dào 
 alimentary canal, alimentary tract, enteron, the alimentary canal
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