柯林斯詞典smokeless /?sm??kl?s/ 1. ADJ Smokeless fuel burns without producing smoke. (燃料)無煙的; 不冒煙的 返回 smokeless劍橋詞典UK not causing or allowing smoke 無煙的,不冒煙的 If you live in a smokeless zone you have to use smokeless fuels instead of coal . 如果你生活在無煙區(qū),你得使用無煙燃料,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)無煙煙草 返回 smokeless