名词
中文翻译：红宝石污渍
同义词：
['ruby stain', 'ruby stain']
例句：
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1.The red ruby stain on the dress is quite striking.
这件连衣裙上的红宝石污渍非常引人注目。
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2. The jewellery was carefully polished to avoid any ruby stains.
珠宝被仔细打磨，以避免任何污渍。
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3.The antique ruby stain on the table has been well preserved.
桌子上的古董红宝石污渍保存得相当完好。