单词	security light
释义	security lightseˈcurity ˌlight noun [countable] Examples EXAMPLES FROM THE CORPUS A security light switch also replaces an existing light switch. a light that turns on when someone tries to enter a building or area at night
随便看	oxidation oxide oxidize Oxo Oxon oxtail oxyacetylene oxygen oxygenate oxygenation oxygen bar oxygen debt oxygen mask oxygen tent oxymoron oyez Oyl, Olive oyster oyster bed Oyster card Oz oz Ozarks Ozawa, Seiji ozone

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