umba 中文意思是什麼
umba
解釋
溫巴-
Some dealers even argue that the term should not be limited to the pastel shades of sri lankan sapphires, but also include the more fiery shades of reddish - orange from the umba valley in tanzania
一些寶石商甚至爭議，不應限制只有產於斯里蘭卡柔和橙色調的彩色藍寶石，才可稱為
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