“裂球”造句
这些囊胚细胞, 称卵
裂球, 每个细胞都有一套二倍体染色体组.
The cells of the blastula , called blastomeres, also each receive a full diploid set of chromosomes.
桑椹胚形成于''.'囊'.''胚之前且处于胚胎''.'期'. ''内的球形
裂球群,由受精卵细胞的分裂而成.
The spherical embryonic mass of blastomeres formed before and resulting from cleavage of the fertilized ovum.