free efflux

例句：

1. 1. The wastewater was released into the river for free efflux.
   废水被自由排放到河流中。
2. 2.The oil spill had a significant impact on the environment and required free efflux measures.
   石油泄漏对环境造成了重大影响，需要采取自由排放措施。
3. 3.The company has implemented strict regulations to prevent any free efflux of hazardous chemicals.
   该公司实施了严格的规定，以防止任何有害化学物质的自由排放。