http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
energy-saving [美 ˈɛnərdʒiˌseɪvɪŋ, 英 ˈɛnədʒɪˌseɪvɪŋ] 形
在《PONS词典》中的词汇
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By using this system he combined energy saving and used natural ventilation and air conditioning.
en.wikipedia.org The organization also has a large foreign branch, who mainly runs projects on energy saving and environmental education.
en.wikipedia.org There he conducted and participated in studies on the commercialization of alternative energy technologies and new energy saving technologies.
en.wikipedia.org In warmer climates, efficient lighting has the additional energy saving effect of reducing the amount of cooling required.
en.wikipedia.org In the home, the potential energy saving can be up to 12% on electricity bills.
en.wikipedia.org