bacterium
释义
n. 细菌
自然拼读
词态
复数：bacteria
例句
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。
They also converted one species of bacterium into another through a "genome transplant".
他们还通过“基因移植”，把一个物种的细菌转变为另一种。
But it might be time to update that list. Because scientists have found a bacterium that can do without phosphorus—live on arsenic instead.
但也许是时候更新这份必需元素目录了，因为科学家们发现一种细菌会用砷来代替磷，不需要磷也可生存。
They also converted one species of bacterium into another through a “genome transplant”.
他们还通过“基因移植”，把一个物种的细菌转变为另一种。
The bacterium can also secrete chemicals that inhibit fungal growth, as well as hormones that stimulate the growth of its host plants.
这种细菌也能够分泌抑制真菌生长的化学物质，同时，它还能产生促进宿主植物生长的激素。
It was so large and complex, they initially assumed it was a bacterium.
由于它们是如此庞大和复杂，最初被认为是一种细菌。
The bacterium spread rapidly.
这种细菌传播得很快。
词组
acetic acid bacterium
醋细菌
近义
n.[微]细菌；杆菌属
microbe
bacilus
词根词缀点击查看bacterium词根词缀
真题
考纲分布
n. 细菌
考纲释义
n. 细菌
真题例句
The bacteria on the masks may kill them too.
口罩上的细菌也可能杀死它们。
[2021 黄石市卷 回答问题]
Ancient people around the world used different ways to kill the bacteria in the water.
世界各地的古代人用不同的方法杀死水中的细菌。
[2021 贵港市卷 完形填空]
For the Chinese, they thought drinking boiled water was the easiest way to protect themselves from the harmful bacteria.
对中国人来说，他们认为喝开水是保护自己免受有害细菌侵害的最简单的方法。
[2021 贵港市卷 完形填空]
考纲分布
n. 细菌
考纲释义
n. 细菌
真题例句
New cave system discovered with dozens of nameless species, four hundred species of bacteria found in the human stomach.
新洞穴系统发现了许多无名物种，在人类胃中发现了400种细菌。
[2020 江苏卷 阅读理解]
Bacteria are an annoying problem for astronauts.
细菌对宇航员来说是个恼人的问题。
[2019 全国卷2 阅读理解]
For the past two years, Gordon's students have been studying ways to kill bacteria in zero gravity.
在过去的两年里，戈登的学生们一直在研究在失重状态下杀死细菌的方法。
[2019 全国卷2 阅读理解]