查戈斯群島 [ㄔㄚˊ ㄍㄜ ㄙ ㄑㄩㄣˊ ㄉㄠˇ; cha2 ge1 si1 qun2 dao3] Chagos Archipelago, coral archipelago in tropical Indian Ocean, with Diego Garcia 迪戈・加西亞島[Di2 ge1 · Jia1 xi1 ya4 Dao3] as largest island ◄ ►