The largest diamond ever discovered in the United States was unearthed in Arkansas in 1924. Named the Uncle Sam, the white diamond weighed 40.23 carats.是什么意思_The largest diamond ever discovered in the United States was unearthed in Arkansas in 1924. Named the Uncle Sam, the white diamond weighed 40.23 carats.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句