There are just four kinds: adenine, thymine, guanine and cytosine.只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.The specific antigen of autoantibody might be human myocardium adenine nucleotide translocator.该抗体的特异性抗原可能为人心肌线粒体腺苷酸转位酶.Adenin...
Prosecutors may try to determine if Robb gave false testimony when he appeared before the grand jury.检方可能要努力查证罗布在大陪审团面前是否作了伪证。Robb is torn between becoming a doctor and a career in athletics...罗布在做医生还是当运动员之间痛苦抉择,左右为难。Rob...