单词	sexivalent
释义	sexivalent /ˌsɛksɪˈveɪl(ə)nt / adjective Chemistry Another term for hexavalent.However, toxic sexivalent chromium compounds are produced under oxidizing condition.... Sexivalent chrome is a long-known toxic material that has been subject to strict laws in each country concerning disposal from factories and worker health regulations.
随便看	pram race prana pranam pranayama prance prancer prancey prancingly prancy prandial Prandtl, Ludwig Prandtl number prang pranic prank prank call prank caller pranker prankful prankish prankishness pranksome prankster pranksterism pranky

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