In most mammals mature erythrocytes are biconcave disks that have no nuclei.在多数哺乳动物中,成熟红细胞呈双凹面盘样,无细胞核....

biconcave的音标：biconcave的英式发音音标为：[baɪ'kɒnkeɪv]biconcave的美式发音音标为：[baɪ'kɒnkeɪv]...

adj.两面凹的，双凹形...