| 单词 | menstrual cycle |
| 释义 | menstruum /menˈstrŭ-əm/noun (pl menˈstrua or menˈstruums) (orig in alchemy)A solvent, esp one used in the preparation of drugs ORIGIN: L neuter of mēnstruus monthly, from mēnsis menˈstrual adjective
menˈstruate intransitive verb To discharge the menses, have a period menstruāˈtion noun The monthly discharge through the vagina of blood and other substances from the uterus in non-pregnant adult females menˈstruous adjective menstrual cycle noun The repeating cycle of changes in the reproductive system of some primates |
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