gemKK [dʒɛm] /dʒɛm/發音名詞1寶石、珠寶The ring was set with three small green gems.這只戒指上鑲了三顆小小的綠色寶石。2珍品、精品、傑作This little bookshop is a real gem of the old town.這家小書店是舊城區裡真正的珍寶。3大好人、貼心的人口語Thanks for covering my shift—you're an absolute gem.謝謝你幫我代班,你真是個大好人。