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premenstrual syndrome的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a syndrome that occurs in many women from 2 to 14 days before the onset of menstruation
premenstrual syndrome的用法和样例：
例句
用作名词 (n.)
- What are typical premenstrual symptoms?
经前综合症有甚麽症状？ - The female endocrine system is highly complex and medical experts still do not fully understand the chain of events that causes premenstrual symptoms.
医学界已确定女性的身体会释放不同的贺尔蒙来控制生理周期，但是经前综合症的成因尚未完全掌握。
