Non-renewable energy is the kind the earth will not replace on any timescale we can use. Coal, oil, and natural gas are the usual examples: you burn them, they are gone, and a new field will not grow next year the way a forest can. Uranium for nuclear power is often put in the same group, because the fuel is mined and used up.

Non-renewable energy non-renewable energy（不可再生能源） is the kind the earth will not replace on any timescale we can use是地球不會在我們能利用的時間內補回來的那種能源。Coal, oil, and natural gas are the usual examples煤、石油和天然氣是最常見的例子：you burn them, they are gone你把它們燒掉，它們就沒了， and a new field will not grow next year the way a forest can不會像森林那樣，隔年就長出新的一片來。Uranium for nuclear power核能用的鈾 is often put in the same group也常被歸在同一類， because the fuel is mined and used up因為這種燃料是挖出來、用掉就沒了。

Though actually, 'the earth will never make more' is a little too strong — oil and coal did form from old plants and animals — but that took millions of years, so for human life they are one-time stores.

Though actually不過事實上， 'the earth will never make more' is a little too strong「地球永遠不會再製造」這種說法有點太強烈 — oil and coal did form from old plants and animals石油和煤的確是從古代的動植物形成的 — but that took millions of years不過那花了幾百萬年的時間， so for human life they are one-time stores所以對人類的生活來說，它們是只有一次的存量。

The pair word is renewable: sun, wind, moving water, and plants grown for fuel.

The pair word is renewable跟它相對的字是renewable：sun, wind, moving water, and plants grown for fuel像是太陽、風、流動的水，還有種來當燃料的植物。

Be careful with the label itself. People argue about whether something 'counts' as renewable, and burning wood or making some biofuels can still harm the air and the land.

Be careful with the label itself對這個標籤本身要小心一點。People argue about whether something 'counts' as renewable人們會爭論某樣東西算不算「renewable」， and burning wood or making some biofuels can still harm the air and the land而燒木材或製造某些生質燃料，還是可能傷害空氣和土地。