全球三分之一的人暴露于这种病原微生物之下，尽管其中的95%因为有足够强壮的免疫系统而避免发病。

One out of three people globally have been exposed to the microbes that cause the disease, though 95 percent of them have strong enough immune systems to hold the infection at bay.

youdao

全球三分之一的人暴露于这种病原微生物之下，尽管其中的95%因为有足够强壮的免疫系统而避免发病。

One out of three people globally have been exposed to the microbes that cause the disease, though 95 percent of them have strong enough immune systems to hold the infection at bay.

youdao