1、It's especially common among the Khoisan in southern Africa and tribes in the Andaman Islands.
這在南非的科伊桑人和安達(dá)曼群島的部落中尤為常見。

2、Any of the Khoisan languages of the Khoikhoin, including Nama.
科伊科伊語科伊科伊人的屬科伊桑語系的語言，包括納馬語

3、Example: the Khoisan people of southern Africa.
南部非洲的科伊桑人就是一個(gè)例子。