| 释义 |
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Diesel exhaust particles, a major part of urban smog, consist of a carbon core coated with organic chemicals and metals. 柴油车尾气粒子，是城市烟雾的主要组成部分，是由外表包裹着有机化学和五金的碳芯组成的。 - 2
Although diesel exhaust may be a source of secondary aerosols, paint and solvents, outdoor barbecues, and vegetation also contribute significantly, he says. 他说虽然柴油燃烧的排放可能是次生气溶胶的来源之一，涂料和溶剂，室外烧烤和植物也是重要的来源。 - 3
They would turn carbon dioxide from the atmosphere (or, better, from power-station exhaust) into petrol or diesel by photosynthesis. 他们可以将大气中(或者最好是发电站废气中)的二氧化碳通过光合作用转化成石油或者柴油。
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