geographical isolation

en-GB/ˌd͡ʒɪəˈɡɹæfɪkl ˌaɪsəˈleɪʃn/
en-US/ˌd͡ʒiəɡˈɹæfɪkəl ˌaɪsəˈleɪʃən/

الفئات:

isolation