DNA
                                                英 [,di:,en'ei]
                    美 [,di:,en'ei]
                
                                
                
                    
                        - abbr. 脱氧核糖核酸(deoxyribonucleic acid);(美国)国防部核子局 (Defense Nuclear Agency)
 
                
                    
                                    
                
                                                                                                        DNA 英文词源
                
                
                    
                        - DNA (n.)
- 1944, abbreviation of deoxyribonucleic acid (1931).
 
                
                                                    DNA 双语例句
                
                
                    1. They took samples from his hair for DNA testing.  他们从他的头发中取样进行DNA测试。 来自柯林斯例句
 - 2. DNA fingerprinting has proved the clincher in this investigation. 
- 在这次调查中,DNA指纹鉴定起了决定性的作用。
来自柯林斯例句
 
- 3. DNA profiling has aided the struggle against crime. 
- DNA分析对于打击犯罪有所帮助。
来自柯林斯例句
 
- 4. They act at least a temporary block to DNA synthesis in micro - organisms. 
- 它们在微生物中至少对DNA合成起暂时性的阻止作用.
来自《简明英汉词典》
 
- 5. Gene mutations are alterations in the DNA code. 
- 基因突变是指DNA密码的改变.
来自《简明英汉词典》