bacterium

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noun medicine advancedvocabulary

Paraphrase

分析词义

"Bacterium" 是由拉丁词 "bacterium" 演变而来，原意是 "小杆"。bacterium 是生物界中的一类生物，属于细菌。它是微生物的一种，通常是单细胞有核生物，尺寸相当小，无法肉眼直接观察。

列举例句

  • The bacterium E. coli is often used as a model organism in microbiology studies.（细菌大肠杆菌经常被用作微生物学研究的模型生物。）
  • The vinegar is produced by the bacterium converting alcohol into acetic acid.（醋是通过细菌将酒精转化为醋酸生成的。）
  • The diseases like Tuberculosis and meningitis are caused by bacteria.（像肺结核和脑膜炎这样的疾病是由细菌引起的。）

    • 词根分析

    "Bacterium"的词根来自于希腊语“baktērion”，意思是“杖”。

    词缀分析

    "Bacterium"没有词缀，它是一个由词根构成的单词。

    发展历史和文化背景

    "Bacterium"一词源自19世纪，微生物学家用来统称所有单细胞微生物。

    单词变形

    "Bacterium"的复数形式是"Bacteria"。

    记忆辅助

    这个单词可以通过音标/词义记忆的方法来记忆。"Bacterium"可以被记作"bac-te-ri-um"四个部分，然后将这四个部分与你熟悉的词或者物品联系起来。

    小故事

    Jake has a microscope. He places a drop of pond water on a slide and looks through the lens. Suddenly, a tiny bacterium comes into his view. Jake is excited as it's his first time seeing a bacterium!

    (杰克有一部显微镜。他将一滴池塘水放在滑片上，然后透过镜头看。突然，一个小细菌进入了他的视野。这是杰克第一次看到细菌，他感到非常兴奋!)

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