ruby crystal

例句：

1. 1.The ruby crystal is a symbol of love and passion.
   红宝石晶体是爱情和激情的象征。
2. 2.She wore a ruby crystal necklace as a gift from her mother.
   她戴着一串红宝石项链作为母亲的礼物。
3. 3.The ruby crystal was cut into intricate patterns by an expert jeweler.
   这位珠宝商将红宝石切割成复杂的图案。