V2EX energy-efficient

Energy-efficient

定义 Definition

energy-efficient(形容词):节能的;能源利用效率高的,指在完成同样工作或提供同样效果时,消耗更少的能源。也常见写法:energy efficient(不加连字符)。

发音 Pronunciation (IPA)

/enrdi fnt/

例句 Examples

This LED bulb is energy-efficient.
这只LED灯泡很节能。

The company invested in energy-efficient equipment to reduce costs and carbon emissions over the long term.
公司投资节能设备,以长期降低成本和碳排放。

词源 Etymology

energy(能量) + efficient(高效的) 构成。efficient 源自拉丁语 efficere(“完成、实现”之意),在现代英语中引申为“用更少资源达到更好效果”。组合后就形成“用更少能源达到同样效果”的含义,常用于家电、建筑、交通与政策语境。

相关词 Related Words

文学与作品 Literary Works

  • 英国议会报告与政策文件(如 Hansard 议会辩论记录)中常以 energy-efficient 描述建筑与公共设施改造目标。
  • 联合国与政府发布的可持续发展与气候行动相关出版物(如关于建筑能效、清洁能源转型的报告)中高频出现 energy-efficient
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