It enter the late blastula stage in 6 h 50 min.6小时50分进入低囊胚期.However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.The cells of t...
Never mind now about Hurstwood's perfidy -- why had he done this?现在先别管赫斯渥的背理悖行 -- 他为什么要这样做?Oh, the perfidy of men!啊, 男人的奸诈!He was quite certain now that she knew he was married and angered at his perfidy.他现在已可以断定,她已...
反刍家畜的牙齿很特殊。The teeth of ruminant animals are specialised.纯种家畜的养育者们为了保持纯正的动物血统无休止地制造遗传上的混乱现象.Breeders of thoroughbred animals perpetuate genetic disorders to keep pedigrees pure.1900年也开始了家畜的血型研究.Investigations into the bl...