碳足迹的英文：
carbon footprint

Carbonation is the combination of carbonate or bicarbonate ions with minerals
碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用。

editmetallized carbon filament
金属化碳丝

Coke consists mainly of carbon.
焦炭的主要成分是碳。

The residue is progressively enriched in carbon.
残留部分愈来愈富含碳质。

On hydrolysis carbon dioxide is evolved.
水解时，放出二氧化碳。

They discovered suspicious footprints in the snow.
他们在雪地上发现了可疑的足迹。

Crusoe stared at the footprint full of fear.
克鲁索盯着脚印，心里充满了恐惧。

She stared at the footprint, full of fear.
她两眼盯着脚印，满心恐惧。

The tide begins to flow and our footprints are covered.
开始涨潮了，潮水遮住了我们的脚。

Footprints on the sands of time are not made by sitting down.
留在岁月沙滩上的足迹并非静坐而造成的。