尾气wěiqìexhaust gas; vehicle emissionsHSK 7-9PronunciationwěiqìExample sentence汽车排放的尾气严重污染了城市空气。Qìchē páifàng de wěiqì yánzhòng wūrǎn le chéngshì kōngqì.The exhaust gas emitted by cars has seriously polluted the urban air.Read and choose an answerOne fixed sampleExplore a sample