单词 | perineum |
释义 | Word Frequency perineum(ˌpɛrɪˈniːəm) nounWord forms: plural -nea (-ˈniːə) 1. the region of the body between the anus and the genital organs, including some of the underlying structures 2. the nearly diamond-shaped surface of the human trunk between the thighs Derived forms perineal (ˌperiˈneal) adjective Word origin C17: from New Latin, from Greek perinaion, from peri- + inein to empty out |
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