单词 | oestrual |
释义 | oestrual/ˈiːstrʊəl/ /ˈɛstrʊəl/ /ˈiːstrʊl/(also estrual) Physiology and Zoology adjective = oestrous. OriginMid 19th century; earliest use found in Robert Mayne (1808–1868). Irregularly from either oestrum or oestrus + -al, after menstrual. |
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