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    1. DNA

      [,di:,en'ei]
      • abbr. 脫氧核糖核酸(deoxyribonucleic acid);(美國)國防部核子局 (Defense Nuclear Agency)

      CET4中頻詞常用詞匯

      英文詞源


      DNA (n.)
      1944, abbreviation of deoxyribonucleic acid (1931).

      雙語例句


      1. They took samples from his hair for DNA testing.
      他們從他的頭發(fā)中取樣進(jìn)行DNA測試。

      來自柯林斯例句

      2. DNA fingerprinting has proved the clincher in this investigation.
      在這次調(diào)查中,DNA指紋鑒定起了決定性的作用。

      來自柯林斯例句

      3. DNA profiling has aided the struggle against crime.
      DNA分析對于打擊犯罪有所幫助。

      來自柯林斯例句

      4. They act at least a temporary block to DNA synthesis in micro - organisms.
      它們在微生物中至少對DNA合成起暫時性的阻止作用.

      來自《簡明英漢詞典》

      5. Gene mutations are alterations in the DNA code.
      基因突變是指DNA密碼的改變.

      來自《簡明英漢詞典》