单词	anal membrane
释义	anal membrane noun : the membranous partition occluding the fetal anus : proctodaeum Word History First Known Use 1890, in the meaning defined above
随便看	serrati serrating serration serrations serrato- Serratula serratulae serratulas serrature serratures serratuses serratusses serred serrefiles serres serri- serricorn Serricornia serried serriedly serriedness serriednesses serries Serrifera serriferous

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