noun ダウンロード 🔗共有 月経, 生理 The discharge of blood mixed with pieces of cellular tissue from the uterus out through the vagina, which occurs roughly every month in uninseminated women; menstrual flow. Examples : ""During her menses, Sarah uses sanitary pads to manage the menstrual flow." " サラは月経中、月経血を処理するために生理用ナプキンを使用します。 medicine physiology body sex anatomy human AIとチャット語彙ゲーム読解練習