menarche

/muh-nahr-kee, me-/US // məˈnɑr ki, mɛ- //UK // (mɛˈnɑːkɪ) //

初潮,月经初潮,初潮期,月经来潮

Definitions

n.名词 noun

1
Physiology.
- : the first menstrual period; the establishment of menstruation.