这些细菌丛旨在排挤有害微生物的生长，从而提供另一种免疫的方式。

This flora serves to crowd out the growth of harmful organisms, thus providing another measure of resistance.

youdao

这些细菌丛旨在排挤有害微生物的生长，从而提供另一种免疫的方式。

This flora serves to crowd out the growth of harmful organisms, thus providing another measure of resistance.

youdao