electrolytes

例句：

1. 1. The body needs electrolytes to maintain proper fluid balance.
   身体需要电解质来维持适当的流体平衡。
2. 2. Electrolytes are essential for maintaining a healthy heart rhythm.
   电解质对于保持健康的心律至关重要。
3. 3. During exercise, the body loses electrolytes through sweating.
   在运动过程中，身体通过出汗失去电解质。