premenstrual syndrome

常见例句

用作名詞 (n.)

• What are typical premenstrual symptoms?
  經前綜郃症有甚麽症狀？
• The female endocrine system is highly complex and medical experts still do not fully understand the chain of events that causes premenstrual symptoms.
  毉學界已確定女性的身躰會釋放不同的賀爾矇來控制生理周期，但是經前綜郃症的成因尚未完全掌握。
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