| 单词 | oestrone |
| 释义 | Word Frequency oestrone(ˈiːstrəʊn, ˈɛstrəʊn) or US estrone noun a weak oestrogenic hormone secreted by the mammalian ovary and having the same medical uses as oestradiol. Formula: C18H22O2 Word origin C20: from oestr(us) + -one |
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