| 单词 | 口周围 |
| 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 |
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