| 释义 |
〔lip〕A structure or part that encircles or bounds an orifice, as:唇状物：开口周围的部分或结构，如：〔peritrichous〕Having a band of cilia around the mouth, as certain protozoans.口周围有周毛的，如些原生动物〔crissum〕The feathers or area under the tail of a bird surrounding the cloacal opening.肛周：鸟类尾下泄殖腔开口周围的羽毛或部位〔peritrich〕Any of various protozoans, such as the vorticella, having a wide oral opening surrounded by cilia.周毛亚纲微生物：任何一种原生动物，例如钟虫，其椭圆形阔口周围长有纤毛 |