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。
• Warm milk is the ideal breeding ground for bacteria.
  温牛奶是细菌理想的滋生地。
• Soap destroys the cell walls of bacteria.
  肥皂破坏细菌的细胞壁。
• A variety of bacteria, yeasts, and other fungi have been used as animal and human food sources.
  各种细菌，酵母菌和其它真菌已被用作动物和人的食物了。
• Bacteria are invisible to the naked eye.
  肉眼看不见细菌。
• The colon is the locus of a large concentration of bacteria.
  结肠是大浓度的细菌所在地。
• The nitrifying bacteria are chemosynthetic autotrophs.
  硝化细菌是化能合成的自养生物。
• 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。
• Bacteria in plaque also cause gingivitis and other periodontal diseases.
  菌斑中的细菌还可以导致牙龈炎及其他牙周病。
• All bacteria are larger than viruses.
  所有细菌都比病菌大。