semi-precious
adjective1 搭配平均频率: 6.8
半宝石
refers to a mineral crystal or rock which is used as a gem but is not as rare or valuable as precious stones (like diamonds, rubies, sapphires, and emeralds)
半宝石
refers to a mineral crystal or rock which is used as a gem but is not as rare or valuable as precious stones (like diamonds, rubies, sapphires, and emeralds)