体液

例句：

1. 1. The doctor advised meto drink more water to stay hydrated.
   医生建议我多喝水保持水分。
2. 2. Thescientist studied the effects of different body fluids on health.
   科学家研究不同体液对健康的影响。
3. 3. The patient was given atransfusion of blood to replace his lostbody fluids.
   病人接受了输血以补充他失去的体液。