“Precious gem”的意思、由来-开放百科全书

词条	Precious gem
释义	SeeGemstone
随便看	Royal coat of arms of the United Kingdom Royal Coat of Arms of the United Kingdom (for use in Scotland) Royal Coat of Arms of the United Kingdom for use in Scotland Royal Coburg Theatre Royal Collection Department Royal Collection Management Committee Royal Collection Trust Royal College Building Royal College of Art Royal College of Curepipe Royal College of Defence Studies Royal College of Dentists of Canada Royal College of France Royal College of Music Royal College of Music Archives and Museum of Instruments Royal College of Nursing Royal College of Paediatrics and Child Health Royal College of Physicians Royal College of Physicians and Surgeons of Canada Royal College of Physicians Collections Royal College of Physicians of Edinburgh Royal College of Physicians of Ireland Royal college of physicians of ireland Royal College of Physicians of London Royal College of Science

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。