999英语网 单词
DNA的意思
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》