单词：polluting material
polluting material的用法和样例：
例句
- Physicists are studying new ways of generating electricity with less damage to the environment. In the meantime, many power plants are being modernized to give off less polluting material.物理学家们正在研究对环境危害少的发电新方法，与此同时，许多发电厂也在实现现代化以减少污染物质的释放量。
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