柯林斯词典pillowcase /ˈpɪləʊˌkeɪs/ (also pillow case) (pillowcases) 1. N-COUNT A pillowcase is a cover for a pillow that can be removed and washed. 枕頭套 返回 pillowcase剑桥词典a cloth cover for a pillow that can easily be removed and washed 枕頭套 返回 pillowcase