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bacteria

英 [bækˈtɪəriə]

美 [bækˈtɪriə]

n.  细菌
bacterium的复数

CET4CET6TOEFLIELTSGRETEM4TEM8医学

Oxford 3000 / Collins.2 / COCA.3611

牛津词典

    noun

    • 细菌
      the simplest and smallest forms of life. Bacteria exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease.

      柯林斯词典

      • N-PLURAL 细菌
        Bacteriaare very small organisms. Some bacteria can cause disease.
        1. Chlorine is added to kill bacteria.
          加氯是为了杀死细菌。

      英英释义

      noun

      • (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission
          Synonym:bacterium

        双语例句

        • This microscope can magnify bacteria three thousand times their actual size.
          这台显微镜可以把细菌放大三千倍。
        • Exactly which bacteria cause the infection is still unknown.
          到底是什么细菌引起的感染还不清楚。
        • All bacteria are larger than viruses.
          所有细菌都比病菌大。
        • The colon is the locus of a large concentration of bacteria.
          结肠是大浓度的细菌所在地。
        • If your urine specimen shows the presence of bacteria, you'll be prescribed antibiotics.
          如果你的尿样显示有细菌存在,医生会给你开抗生素。
        • Chlorine is added to kill bacteria.
          加氯是为了杀死细菌。
        • Bacteria sticks to food debris in the teeth, causing decay.
          细菌附着在牙缝中的食物残渣上,导致蛀牙。
        • The photosynthetic pigment in bacteria is bacteriochlorophyll.
          细菌光合作用的色素是细菌叶绿素。
        • The nitrifying bacteria are chemosynthetic autotrophs.
          硝化细菌是化能合成的自养生物。
        • Bacteria are active practically everywhere.
          细菌活动的范围很广,无所不至。