bacterium [bæk'tɪərɪəm]

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单词级别

第7级

基本释义

n.(pl.bacteria )细菌

英英释义

a type of very small organism that lives in air , earth , water , plants and animals , often one which causes a disease

参考例句

The bacterium possibly goes in the human body by the mouth. 细菌可能通过口进入人体。
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。

bacterium [bæk'tɪərɪəm]

单词级别

基本释义

英英释义

参考例句

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