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