柯林斯词典smokeless /ˈsməʊklɪs/ 1. ADJ Smokeless fuel burns without producing smoke. (燃料)无烟的; 不冒烟的 返回 smokeless剑桥词典UK not causing or allowing smoke 无烟的,不冒烟的 If you live in a smokeless zone you have to use smokeless fuels instead of coal . 如果你生活在无烟区,你得使用无烟燃料,不能用煤炭。 smokeless tobacco US tobacco that is chewed or put in the mouth (可放在口中咀嚼的)无烟烟草 返回 smokeless