bacterium [bæk'tɪərɪəm]以下由轻松背单词网站提供
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。 推荐阅读 |