| 单词 | villus |
| 释义 | villus ['vɪl.əs] noun countable usually plural (/'vɪl.aɪ] plural villi) specialized ■one of very many tiny finger-like parts on the inside surface of the small intestine (= part of body where food goes after the stomach) , which increase the surface area a lot and help food to be absorbed 绒毛；长绒毛（小肠内表皮上密布的指状突起物，可以扩大小肠表皮面积，帮助营养吸收） |
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