It's especially common among the Khoisan in southern Africa and tribes in the Andaman Islands.
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3. 他们语言中那种独特的短促而清脆的声音使得一些研究者认为科伊桑人是最原始的人类祖先的直系后裔。
The unique character of the clicking sounds in their language has persuaded some researchers that the Khoisan people are directly descended from the most primitive human ancestors.
Brothers Ethan and Joel Coen Shared the honor of best director for the film, and earned Oscars for its screenplay, which was adapted from a novel by Cormac McCarthy.
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5. 在星期天举行的今年奥斯卡颁奖典礼上，导演乔尔·科恩和伊桑·科恩兄弟成为大赢家。
Filmmakers Joel and Ethan Coen were big winners at this year's Academy Awards ceremony Sunday.
