methoxyethoxyWiktionary 原文英美构词拆解methmeth-前缀oxyoxy-前缀ethoxyethoxy词干meth-(chemistry) Alternative form of metho-.oxy-Sharp, keen, acute, pungent, acid词源说明From meth- + oxy- + ethoxy.释义名词noun1(organic chemistry, especially in combination) The univalent ether radical CH3-O-CH2CH2-O- found in the ethers of polyglycols