DNA
	[,di:,en'ei]
	    
	
    - abbr. 脱氧核糖核酸(deoxyribonucleic acid);(美国)国防部核子局 (Defense Nuclear Agency)
     
	 
		英文词源
	
	- DNA (n.)
 - 1944, abbreviation of deoxyribonucleic acid (1931).
 
 
		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》