热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

menstrual cycle

音標(biāo)['menstruəl 'saikl]
menstrual cycle是什么意思、menstrual cycle怎么讀

menstrual cycle漢語翻譯

【醫(yī)】 月經(jīng)周期

menstrual cycle英語解釋

名詞 menstrual cycle:

  1. a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation
0
糾錯