双层shuāngcéngTop 20000Meanings1. double tier2. double deckerCharacters used双pair层layerExamples1为什么wèishénme这个zhège他妈的tāmāde房子fángzi没有méiyǒu双层shuāngcéng玻璃bōli，我wǒ快要kuàiyào冷lěng死sǐ了le。How come this fucking apartment has no double-glazing? I'm freezing.