sapphire

1. N-VAR A sapphire is a precious stone which is blue in colour. 蓝宝石

...a sapphire engagement ring. …一枚蓝宝石订婚戒指。

2. COLOR Something that is sapphire is bright blue in colour. 天蓝色的[文学性]

...white snow and sapphire skies. …白雪和蓝天。