“红血球”的拼音？

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红血球将氧气运送到全身.Red cells ferry oxygen throughout the body.血液的密度随着红血球的浓度而增加, 因而过低的血液密度可说明患者贫血.Since density increases with the concentration of red cells, an unusually low density may indicate anemia.每一天的每一秒钟, 你的身体会制造出一千万个新的...