正文

VOA慢速英语:研究称美国替换石燃料可能需要4.7万亿美元

2019-07-07来源:和谐英语

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Words in This Story

fossil fuel – n. a fuel, such as coal, oil, or natural gas, that is formed in the earth from dead plants or animals

source – n. where something comes from

emission – n. the act of producing or sending out something (such as energy or gas) from a source

capacity – n. the largest amount of something that can be held in a container, building, etc.