(疾病控制中心)称洗手是防止细菌传染的最佳方式。
Handwashing is the best way to avoid spreading infection, according to the CDC.
接下来是细菌域，细菌作为传染疾病的媒介为人们所熟悉，但是实际上它们对于生态环境至关重要。
Then there are the bacteria—familiar as agents of disease, but actually ecologically crucial.
牙龈和牙齿的传染病会释放细菌进入血液系统。
Infections of the gums and teeth can release bacteria into the blood system.
外面的世界太多细菌，我怕一出去就会被传染。
The outside world too much bacteria, I fear a out will be caught.
细菌是如何导致传染病的，目前还是未知的。
Exactly which bacteria cause the infection is still unknown.
玉米蛇由于捕食啮齿动物从而减少了啮齿动物对病毒细菌的传染作用。
Corn snakes help to control rodent populations that may otherwise spread disease.
细菌性痢疾是威胁我国人民健康的主要传染病。
Dysentery is the most serious infectious disease threatening the people's health in our country.
身处不同典礼的另外两个人被传染了此细菌。
身处不同典礼的另外两个人被传染了此细菌。
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