waste-streamBNC²³⁶²¹³⁺¹ 例句 Previously, science has approached these problems by introducing bactericides or other chemicals such as deodorizers into the waste-stream to destroy infectious microorganisms and hide the odors. 过去，处理臭水沟或是臭河道的方式就是大量的使用杀菌剂，除臭剂等具有毒性的化学药剂，希望藉此来消灭具有传染性的微生物。 blog.sina.com.cn