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单词	HEPA
释义	HEPA adjective ˈhe-pə  : being, using, or containing a filter usually designed to remove 99.97 percent of airborne particles measuring 0.3 micrometers or greater in diameter passing through it Word History Etymology high-efficiency particulate air (filter) First Known Use 1965, in the meaning defined above Medical Definition HEPA adjective ˈhep-ə  : being, using, or containing a filter usually designed to remove 99.97% of airborne particles measuring 0.3 microns or greater in diameter passing through it HEPA filters HEPA vacuum cleaners History and Etymology for HEPA high efficiency particulate air
随便看	clownishnesses clowns clowns (around) clowns around clows cloxacillin cloxacillins cloy cloyed cloyedness cloying cloyinglier cloyingliest cloyingly cloyingnesses cloyless cloys cloysome clozapine cloze clozes clr cls clt clu

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。