Environmental Protection Agency (EPA): Agency of the federal government created in 1970 for the purpose of protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
👇 ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖