energy-efficient

/ˈen.ə.dʒi.ɪˌfɪʃ.ənt/ (bre, ipa) · /ˈen.ɚ.dʒi.ɪˌfɪʃ.ənt/ (ame, ipa)

energy-efficient — 形容詞

1. made to do its job well while needing only a small amount of electricity, gas, f

1.形容詞B2
釋義

節能的

運作時耗電或耗油較少的

made to do its job well while needing only a small amount of electricity, gas, fuel, or similar power

例句

Yuki bought an energy-efficient fridge to lower her summer electricity bills.

Yuki 買了一台節能冰箱，想降低夏天的電費。

energy-efficient + appliance

The school replaced old lights with energy-efficient bulbs in every classroom.

學校把每間教室的舊燈換成了節能燈泡。

replace with energy-efficient bulbs

同義詞
  • economical

    broader; can describe something that is cheap to run, not only low in energy use

  • fuel-efficient

    narrower; usually used for cars and machines that use less fuel

  • low-power

    more technical; often used for electronic devices and systems

反義詞
  • energy-hungry

    informal; uses a large amount of electricity or fuel

  • wasteful

    broader; emphasizes using more resources than necessary

文法句型

energy-efficient + noun

be + energy-efficient

用法筆記

Usually describes machines, homes, lights, or systems that do the same job while using less power than similar products. For a person or plan that avoids waste more generally, words such as 'economical' or 'eco-friendly' may fit better.

常見錯誤

❌This fan is very energy-saving.
✅This fan is very energy-efficient.
💡'energy-saving' is common before a noun such as 'mode' or 'plan', but products are more often described as 'energy-efficient'.
❌The house is efficient in energy.
✅The house is energy-efficient.
💡English uses the fixed compound adjective 'energy-efficient', not 'efficient in energy'.