polypodadj.多足的polypn.水螅虫；鼻肉；息肉polyphenylene sulfid聚硫化苯撑Polyphenol compounds多酚化合物polypeptide beverage多肽饮料polypoid epithelioma息肉样上皮瘤polypoidal melanosis息肉状黑素瘤Polyp of nasal sinus鼻窦息肉Polyptychus dentatusn.齿翅三线天蛾polyphenyl thioether聚苯硫醚polyphenols-matter多酚类物质polyphonic technique复调技法

1. Here is another example of polyposis with numerous small polyps covering the colonic mucosa.
   息肉病，结肠黏膜覆盖有很多小息肉。
2. Nevertheless, in a minority of instances, cancers appear to be polyclonal and sometimes multifocal in origin, as for example multiple colonic polyposis.
   然而，在少数病例肿瘤表现为多克隆性，甚至有时是多病灶起源，例如结肠多发性息肉病。