柯林斯詞典jewel case (jewel cases) 1. N-COUNT A jewel case is a box for keeping jewels in. 珠寶盒2. N-COUNT A jewel case is the plastic box in which a compact disc is kept. 光盤盒 返回 jewel case劍橋詞典a transparent plastic case in which a CD is kept （裝光盤的）透明塑料盒 返回 jewel case