【关于"月经"的英文】

"月经"叫"period",如:"I'm 8 days late on my period(我月经来晚了8天)" 或"I've missed my period(我没来M)"。

"On the rag"是美国俚语，表示"period", 如:"I'm on the rag. The pain is too much to bear(我来Auntie flo了,痛得受不了)"

【如何表达"经痛"】除了"It hurts"，我们还能说:"I feel bloated(我觉得饱胀)"；"My stomach feels like twisting(我肚子绞痛)；"My pains are like lightning. It comes on suddenly& reduces when I bend on my stomach"(像闪电般的剧痛，我一弯着肚子又不痛了)