Fossil fuels
n. 化石燃料( fossil fuel的名词复数 )
🧩 词语组成解析
n. 燃料, 供给燃料（fuel 复数形式）
🗣️ 情景例句
I've been busy all day.
我今天一整天都非常忙。
Self-confidence is the first requisite to human greatness.
人类的伟大，首要的是要有自信。
Are you going to ship this by air?
这批货你要用空运的吗？