常海滨
Chang Haibin
以上为机器翻译结果，长、整句建议使用 人工翻译 。
科学家们曾为这些精心打磨、常现淡红色的砾岩石刃石斧所迷惑，这些器具是从南非海滨的史前遗址挖掘出来的。
Scientists had been puzzled by the fine-grained and often reddish coloured silicate blades and axes excavated from prehistoric sites at Pinnacle Point on the South African coast.
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