相关单词近义词 sheath 鞘, covering 覆盖物, shell 壳, case 例子, bubble 气泡, layer 层, nest 巢, coat 外套, wrap 包, cover 封面, envelop 包封, insulate 使绝缘, protect 保护, cushion 垫子, isolate 使孤立, shelter 避难所, cosset 宠爱临近词cod, coconut, cocoonery, cocooning, cocoonase, cocoon silk, cocooned., cocoon crop, cocoon star, cocoon grade, cocoon fiber, Cocoon floss 返回 cocoons