解释
- abbr. 脱氧核糖核酸(deoxyribonucleic acid);(美国)国防部核子局 (Defense Nuclear Agency)
※ 提供单词"DNA"的中文意思、发音示范及音标对照,中英文词源、例句和用法等。
英文词源
- DNA (n.)
- 1944, abbreviation of deoxyribonucleic acid (1931).
例句和用法
- 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。
- 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。
- 3. DNA profiling has aided the struggle against crime.
- DNA分析对于打击犯罪有所帮助。
- 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.
- 5. Gene mutations are alterations in the DNA code.
- 基因突变是指DNA密码的改变.
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自《简明英汉词典》
来自《简明英汉词典》