柯林斯词典dry ice 1. N-UNCOUNT Dry ice is a form of solid carbon dioxide that is used to keep things cold and to create smoke in stage shows. 乾冰 返回 dry ice剑桥词典frozen carbon dioxide , used for keeping things very cold and for producing a gas that looks like smoke in musical and theatre performances 乾冰，固態二氧化碳 返回 dry ice