energy-efficient
/ˈen.ə.dʒi.ɪˌfɪʃ.ənt/ (bre, ipa) · /ˈen.ɚ.dʒi.ɪˌfɪʃ.ənt/ (ame, ipa)
energy-efficient — adjective
1. made to do its job well while needing only a small amount of electricity, gas, f
made to do its job well while needing only a small amount of electricity, gas, fuel, or similar power
Yuki bought an energy-efficient fridge to lower her summer electricity bills.
energy-efficient + appliance
The school replaced old lights with energy-efficient bulbs in every classroom.
replace with energy-efficient bulbs
Walid chose an energy-efficient car for his long drive to Tainan.
This energy-efficient heater keeps Nora's room warm without using much power.
An energy-efficient washing machine can save water and electricity each week.
- 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
- 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.