energy
/ˈɛnərʤi/
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs
中文释义:能量;能源
Solar panels convert sunlight into electrical energy for household use.
太阳能电池板将阳光转化为电能供家庭使用。
Renewable energy sources like wind and solar are becoming more affordable.
风能和太阳能等可再生能源正变得越来越便宜。