alternative energy
noun /ɔːlˌtɜːnətɪv ˈenədʒi/
/ɔːlˌtɜːrnətɪv ˈenərdʒi/
[uncountable]- electricity or power that is produced from the sun, wind, water, etc. in ways that do not use up the earth's natural resources or harm the environment
替代能源:由太阳,风,水等产生的电能或电力,不会消耗地球的自然资源或损害环境