ruby

1. N-COUNT A ruby is a dark red jewel. 红宝石

...a ruby and diamond ring. …一枚红宝石钻戒。

2. COLOR Something that is ruby is dark red in colour. 深红色 (的)

...a glass of ruby-red Cabernet Sauvignon. …一杯深红色的赤霞珠红葡萄酒。