dTTPn.（名词）One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胸腺嘧啶三磷酸：用来合成脱氧核糖核酸的两个嘧啶核苷酸之一来源：d(eoxy)- d(eoxy)- t(hymidine) t(hymidine) t(ri)p(hosphate)t(ri)p(hosphate)
