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Periods    音标拼音: [p'ɪriədz]
周期

周期

periods
周期 期间


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  • Menstruation - Wikipedia
    Other symptoms some women experience include painful periods (estimates are between 50 and 90%) and heavy bleeding during menstruation and abnormal bleeding at any time during the menstrual cycle [3]
  • periods是什么意思_periods的翻译_音标_读音_用法_例句_爱词霸在线词典
    爱词霸权威在线词典,为您提供periods的中文意思,periods的用法讲解,periods的读音,periods的同义词,periods的反义词,periods的例句等英语服务。
  • PERIOD中文 (简体)翻译：剑桥词典 - Cambridge Dictionary
    We have six periods of science a week 我们一周有6节自然科学课。 Her time at university was the most eventful period of her life He was one of the most important writers of that period The war was followed by a long period of peace and prosperity The 1990s were a period of rapid change
  • periods_百度百科
    periods是英语名词period的复数形式，英式发音 [pɪərɪədz]，美式发音 [pɪrɪədz]，核心含义指时间周期，可延伸为历史阶段、生理经期、标点句号等具体概念。
  • period_百度百科
    （英语单词，英音 [ˈpɪəriəd]，美音 [ˈpɪriəd]）是英语中兼具名词、形容词、副词用法的多义词，核心语义为“特定时间段”或“阶段性概念”。 其应用覆盖时间计量、历史分期、生理周期、语法标点等多元领域 [1-2]。 作为名词，period可指自然周期（如月经期 [1]）、历史分期（如“侏罗纪”）、句末标点（句号的美式用法）、课时单位（如课程安排）或竞技分节（如冰球比赛的局）。 形容词形式描述时代特征（如复古服饰 [4]），副词则用于强调语句终结（如“I refuse, period!” [2]）。 该词源自古希腊语“periodos”（意为循环路径），经拉丁语传入英语后语义逐步扩展 [1-2]。
  • Menstrual Cycle (Normal Menstruation): Overview Phases
    Most people have their period (bleed) for between three and seven days Is a three-day period normal?
  • Menstrual cycle - Wikipedia
    Triggered by falling progesterone levels, menstruation (commonly referred to as a "period") is the cyclical shedding of the lining, and is a sign that pregnancy has not occurred Each cycle occurs in phases based on events either in the ovary (ovarian cycle) or in the uterus (uterine cycle)
  • All About Periods (Menstruation) (for Teens) - KidsHealth
    Learn what periods are, when they start, and how they happen Also, get tips about cramps, PMS, and period products
  • Periods - NHS
    Find out about periods, including when they usually start and finish, period products, PMS, getting pregnant, and changes to your periods
  • Menstrual cycle: Whats normal, whats not - Mayo Clinic
    Your periods are less than 21 days or more than 35 days apart You bleed between periods You develop severe pain during your period You suddenly get a fever and feel sick after using tampons Remember, keeping track of your period can help you find out what's typical for you and what isn't





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