"She is nosebleeding" 或者 "She has a nosebleed" 是表示她流鼻血的英文表达。
来源：流鼻血的英文表达主要是由 "nose"（鼻子）和 "bleed"（流血）组成。
例句1： She woke up with a nosebleed this morning. (她今天早上醒来时流鼻血了。)
例句2： He had a nosebleed during the fpght. (他在飞行中流鼻血了。)
例句3： I think the altitude change caused my nosebleed. (我认为是高度变化导致我流鼻血了。)