a precious stone consisting of corundum in colour varieties varying from deep crimson or purple to pale rose
红宝石。
[mass noun]an intense purplish-red colour
红宝石色,红玉色,深红色
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[as modifier]
the rich ruby liquid 浓艳的红宝石色液体
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[in combination]
this wine has a youthful ruby-red colour .这种酒呈深红色,让人觉得活力四射。
[mass noun]
【印刷】 5((1/2))点铅字。
"Middle English: from Old French