异养细菌可以吃掉未处理污水当中的大部分碳基物质；而自养细菌则会消耗掉氨氮化合物。
Heterotrophic bacteria eat most of the carbon-based materials in raw sewage while autotrophic bacteria consume ammonia and nitrogen compounds.
市民把未处理的污水倒入河中使河水污染。
The townspeople defiled the river by emptying raw sewage into it.
市民把未处理的污水倒入河中使河水污染。
The townspeople defiled the river by emptying raw sewage into it.
应用推荐