She began telling us about some fight on a bus in which our kids had duffed up the bus conductor.她开始给我们讲在公共汽车上我们的孩子们把售票员痛扁一顿。He duffed the golf ball because the stroke the ground behind the ball before hitting it.因为击球前球杆...
Innocuousness tumor group have no manifest bleeding and necrosis. Cells have no heteromorphism and less caryocinesia.良性组肿瘤无明显出血、坏死, 细胞无异型性,核分裂少见.PFS attracts people's attention by its remarkable coagulant performanc...
Dinucleotide A compound of two nucleotides linked by their phosphate groups.二核苷酸:由磷酸基团连接的两个核苷酸组成的化合物.One is the flavin adenine dinucleotide ( FAD ), and the second is methenyltetrahydropteroylployglutamate ( MTHF ).大肠杆菌p...