1、ruby的意思：n.红宝石; 深红色;adj.红宝石的; 红宝石色的;
2、ruby的读音：英[?ru?bi]美[?ru?bi]
3、[例句]The crown was set with precious jewels ─ diamonds, rubies and emeralds.王冠上镶嵌着稀世珍宝——有钻石、红宝石、绿宝石。
4、复数：rubies