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bacterium [hæk'tɪ(ə)rɪəm] 形容词
医疗的 A single-celled microorganism. Bacteria occur naturally almost everywhere on earth, including in humans. Some bacteria can cause disease in humans. People with weakened immune systems, including people with HIV, are at a higher risk for bacterial infections than people with healthy immune systems.
缩写, 生物学 bact