单词 | security light |
释义 | security lightseˈcurity ˌlight noun [countableC] TBa light that turns on when someone tries to enter a building or area at night 智控安全灯〔当有人在晚上进入某建筑物或区域时能自动亮起的灯〕 Examples from the Corpus security light• A security light switch also replaces an existing light switch. |
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