柯林斯词典butane /ˈbjuːteɪn, bjuːˈteɪn/ 1. N-UNCOUNT Butane is a gas that is obtained from petroleum and is used as a fuel. 丁烷 返回 butane剑桥词典a gas obtained from petroleum , used in its liquid form as a fuel 丁烷 返回 butane