你想挑战自己的“口技”么？试试读几个!Xóõ词。
https://archive.phonetics.ucla.edu/Language/NMN/nmn_word-list_1979_02.html
https://archive.phonetics.ucla.edu/Language/NMN/nmn_word-list_1979_02.mp3
关于!Xóõ
https://www.omniglot.com/writing/taa.htm
the click sound is fascinating! 但是要想学这门语言，那就是另一回事了... onnea to the bravery 
