visit from Flo的用法和樣例：
例句
用作名詞 (n.)
- A drug prepared from natural or synthetic progesterone,used to prevent miscarriage and to treat menstrual disorders.
孕酮由天然或人工黃體荷爾蒙制備的藥物，用來(lái)預防流產(chǎn)以及治療月經(jīng)紊亂。 - Infrequent menstruation or amenorrhea not resulting from organic disease is not harmful.
非器質(zhì)性病變引起的閉經(jīng)及稀發(fā)月經(jīng)對身體并無(wú)損害。
