living roof

noun
🔊/ˌlɪvɪŋ ˈruːf/
🔊/ˌlɪvɪŋ ˈruːf/
(also green roof)
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  1. a type of roof that has plants growing on it that help to keep the building cool in summer and warm in winter绿屋顶,绿化屋顶(种植植物以保持房屋冬暖夏凉)