bacterium

bacterium

[bæk'tiəriəm]

n. 细菌

例句与用法：

A bacterium is identified as the cause for his duodenal ulcer.

一种细菌被断定为造成他十二指肠溃疡的根源。

An organism, such as a bacterium, requiring oxygen to live.

好氧菌需要氧气生存的有机体，例如细菌

A protein substance produced in the blood or tissues in response to a specific antigen, such as a bacterium or a toxin. Antibodies destroy or weaken bacteria and neutralize organic poisons, thus forming the basis of immunity.

抗体，免疫体血液或组织针对某种抗原如细菌或毒素而产生的蛋白质物质。抗体消灭细菌或削弱其作用，中和有机毒素，因而形成免疫力

Movement of an organism, especially a bacterium, toward or away from air or oxygen.

趋氧性有机体，特别是细菌移向或离开空气或氧气的运动

词形变化：

名词复数: bacteria |

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n.

细菌