第三，汽车尾气污染和烟雾使冰川被碳烟灰所笼罩，从而使冰川颜色变得更深而缺乏反射性——因而导致冰川加速融化。
Third, pollution from trucks and smoke covers glaciers with carbon soot so that their surfaces become darker and less reflective - causing them to melt more quickly.
这些文物的墨水是用烟灰做成——这一种近乎纯粹的碳，和纸莎草纸烧焦后的成分相同。
The inks of antiquity were made of soot: nearly pure carbon, the same stuff that the charred papyri now consist of.
这些文物的墨水是用烟灰做成——这一种近乎纯粹的碳，和纸莎草纸烧焦后的成分相同。
The inks of antiquity were made of soot: nearly pure carbon, the same stuff that the charred papyri now consist of.
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