以1904年印度孟买爆发的一场瘟疫为例，即使这是发生在抗生素研发出来之前，也仅仅是杀死了百分之三的人口。

An outbreak in Bombay, India in 1904, for example, killed just three percent of the population despite the fact that it happened before the advent of antibiotics.

youdao

以1904年印度孟买爆发的一场瘟疫为例，即使这是发生在抗生素研发出来之前，也仅仅是杀死了百分之三的人口。

An outbreak in Bombay, India in 1904, for example, killed just three percent of the population despite the fact that it happened before the advent of antibiotics.

youdao