bacterium
柯林斯词典
1. Bacterium is the singular of . 细菌; bacteria的单数
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bacterium /bækˈtɪərɪəm/
剑桥词典
- a type of very small organism that lives in air , earth , water , plants , and animals , often one that causes disease
细菌
an illness caused by bacteria in drinking water 饮用水中细菌引起的疾病
The bacterium Streptococcus pneumoniae causes about a third of some 3,000 annual meningitis cases . 在每年约3000起脑膜炎病例中，1/3左右是由一种叫“肺炎链球菌”的细菌引起的。 返回 bacterium