de·con·tam·i·nate /ˌdiːkənˈtæməneɪt/ verb [transitiveT] CLEANto remove a dangerous substance from somewhere 消除…的有害物质,净化 → contamination, contaminate It may cost over $5 million to decontaminate the whole site. 全面消除这个地方的污染可能要花费超过500万美元。
—decontamination /ˌdiːkəntæməˈneɪʃən/ noun [uncountableU]