例句 /

A biofilm consists of colonies of micro-organisms that form a coating on a surface, preventing disinfectant from reaching and destroying bacteria.

A biofilm consists of colonies of micro-organisms that form a coating on a surface, preventing disinfectant from reaching and destroying bacteria.

生物膜由覆盖在表面的微生物组成,防止消毒剂触及并毁灭细菌.