| 词汇 | perineum |
| 词根词缀 | 词源： "region of the body between the anus and the genital organs," 1632, from M.L. perinaeon, L.L. perineum (c.440), from Gk. perinaion, perinaios, from peri- "near" + inan "to carry off by evacuation," of unknown origin. |
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