https://online1.tingclass.net/lesson/shi0529/
更新日期：2010-09-03浏览次数：1304次所属教程：英语漫读
-字号+
听力原文
[page]1[/page]
资料图 南非发现了5颗超大钻石
Five large gemstones were found in South Africa and they weigh up to 507 carats.
南非发现了5颗超大钻石，总重达507克拉。