Antibiotics. This medical drug protects people from diseases caused by bacteria.

抗生素。这种药物可以保护人们免受细菌引起的疾病的侵袭。

Cholera is a diarrheal disease caused by bacteria that lives in brackish rivers and coastal waters.

霍乱是一种腹泻病，主要是由生活在咸水河流和沿海水域的细菌感染所致。