VERB
行經;來月經
When a woman menstruates, a flow of blood comes from her womb. Women menstruate once a month unless they are pregnant or have reached the menopause.
例句
Lean hard-training women athletes may menstruate less frequently or not at all.
身材瘦削而且訓練艱苦的女運動員行經可能不那么頻繁，或者根本不來月經。