单词	broad-spectrum
释义	broad-spectrum adjective broad-spec·​trum ˈbrȯd-ˈspek-trəm  1 : effective against a wide range of organisms (such as insects or bacteria) a broad-spectrum antibiotic 2 : effective in protecting skin from ultraviolet radiation by absorbing or blocking both UVA and UVB rays broad-spectrum sunscreens Word History First Known Use 1950, in the meaning defined at sense 1 Medical Definition broad-spectrum adjective 1 : effective against a wide range of organisms (as insects or bacteria) broad-spectrum antibiotics compare narrow-spectrum 2 : effective in protecting skin from ultraviolet radiation by absorbing or blocking both UVA and UVB rays broad-spectrum suncreen
随便看	aerogeology aerogram aerogramme aerogrammes aerograms aerograph aerographer aerographer's mate aerographers aerographic aerographies aerographs aerography aerohydroplanes aerohydrous aeroides aerolite aerolites aerolithology aeroliths aerolitics aerological aerologies aerologist aerologists

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