日期：
来源：雅诚德英语网
Approximately 2.75 to 3 liters of blood is plasma and the rest is the cellular portion.
大约有2.75 ~3升是血浆，并且一小部分是在休眠的细胞。
Approximately 2.75 to 3 liters of blood is plasma and the rest is the cellular portion.
大约有2.75 ~3升是血浆，并且一小部分是在休眠的细胞。