医生发现这种疾病是由一种危险的杆菌引起的。

The doctor found that the disease was caused by a dangerous bacillus.

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The doctor found that the disease was caused by a dangerous bacillus.

bacillus 是拉丁语来源的生物学名词,由词根 bacill-(意为"小棒、小棍")和名词后缀 -us 组成,指"杆状细菌"。在医学上特指一类呈杆状的致病细菌。

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