短语习得

renewable/non-renewable energy resources greenhouse effect  throughout one’s life compare to  come about quantities of a fierce debate human activities  global warming  natural gas natural phenomenon

可再/不可再生资源

温室效应

贯穿一生,整个一生

和……比较起来

发生；造成

大量的

激烈的争辩

人类活动

全球变暖

天然气

自然现象