red cell volume

例句：

1. 1. Red blood cells are responsible for carrying oxygen throughout the body.
   红血细胞负责将氧气输送到整个身体。
2. 2.The red cell volume can be measured using a simple hemoglobin test.
   通过简单的血红蛋白测试可以测量红细胞体积。
3. 3. A person with low red cell volume may experience shortness of breath and fatigue.
   红细胞体积低的人可能会感到呼吸短促和疲劳。