methylated spirits
noun [ U ] UK uk/ˌmeθ.ɪ.leɪ.tɪd ˈspɪr.ɪts/ us/ˌmeθ.ɪ.leɪ.t̬ɪd ˈspɪr.əts/ (informal meths); (US denatured alcohol)
甲基化酒精（用于去除污渍或用作加热、照明燃料）
a liquid made from alcohol and other chemicals, used to remove dirty marks and as a fuel in small heaters and lights