低尾气排放 dīwěiqìpáifàng low emissions Origin Definitions Defs Strokes Stroke Words Sentences Sents 低 dī adjective low close to the ground or bottom; of short height尾气 尾氣 wěiqì noun exhaust exhaust fumes or tail gas emitted from vehicles using liquid fuel排放 páifàng noun emission the discharge of exhaust, waste water, or other pollutants