相关单词近义词 shell 壳, case 例子, covering 覆盖物, outside 在外面, exterior 外部, skin 皮肤, sleeve 套管, sheath 鞘, blanket 毛毯, crust 外壳, layer 层, carapace (蟹或龟等的)甲壳..., exoskeleton [动]外骨骼临近词Casu, CAS, caspofungin acetate, casing-lower half, Casuarius casuarius, casing damaged well, cascarilla tincture, casing drilling rig, casing damage wells, casing sidetracking, casing-head plant, casing-upper half相似词cashless, cashmere, cashpoint, cashpoint card, casino, cask, casket, cassava, 返回 casing