men·stru·al
adjective/ˈmenstruəl/
/ˈmenstruəl/
[usually before noun]- connected with the time when a woman menstruates each month
月经的 - The average length of a woman's menstrual cycle is 28 days.
妇女的平均月经周期是 28 天。 - menstrual blood
经血 - (formal) a menstrual period
月经期
Oxford Collocations DictionaryMenstrual is used with these nouns:- blood
- cramp
- cycle
- …
Word Originlate Middle English: from Latin menstrualis, from menstruum ‘menses’, from mensis ‘month’. - The average length of a woman's menstrual cycle is 28 days.