劍橋詞典a condition that can exist in a small , crowded place when the air is not pure , especially because of smoke or heat 室內(nèi)的悶熱空氣；菸霧騰騰 We smiled at each other through a grey fug of cigarette smoke . 我們透過(guò)矇矇的香菸菸霧相眡而笑。 返回 fug