英语词汇“door opener”是什么意思，“door opener”的读音、用法及例句翻译-烛光网

词汇	door opener
释义	door openern.（名词） An electromechanical or electronic device for automatically opening a door, as one to a garage.电动门装置：电子机械或电子自动开门装置，如用于车库门上的 Informal An effective means of gaining success or seizing an opportunity.【非正式用语】诀窍：获得胜利或抓住机会等的有效手段
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