分泌液

例句：

1. 1. The body produces a variety of secretions to maintain homeostasis.
   身体产生各种分泌物以维持稳态。
2. 2. The doctor examined the patient's secretions for signs of infection.
   医生检查了患者的分泌物以寻找感染的迹象。
3. 3. Secretions are released by glands and can be used to lubricate joints or to produce hormones.
   分泌物由腺体释放，可用于润滑关节或产生激素。