Oligochaeta
/ˌɒlɪgəʊˈkiːtə/- Zoology a class of annelid worms which includes the earthworms. They have simple setae projecting from each segment and a small head lacking sensory appendages.【动】寡毛纲。
派生词
oligochaete
noun词源
modern Latin (plural), from OLIGO- 'few' + Greek khaitē 'long hair' （taken to mean 'bristle'）, because they have fewer setae than polychaetes.