导读：据美国《基督教科学箴言报》报道：目前《联合国濒危语言图册》列出18种人们知道只有一个人在说的语言。这些濒危语言大约每两周消失一个，现在有的语言可能永远消失了。

According to the Christian Science Monitor, the UN Atlas of Endangered Languages lists 18 languages with only one remaining speaker. With about one language disappearing every two weeks, some of these have probably already died off。

1. Apiaka, is spoken by the indigenous people of the same name who live in the northern state of Mato Grosso, in Brazil. The critically endangered language belongs to the Tupi language family. As of 2007, there was only one remaining speaker。

2. Bikya, is spoken in the North-West Region of Cameroon, in western Africa. The last record of a speaker was in 1986, meaning the language could be extinct by now. This predicament resembles that of another Cameroonian language, Bishuo, whose last recorded speaker was also in 1986.

3. Chana, is spoken in Parana, the capital of Argentina’s province of Entre Rios. As of 2008, it had only one speaker。

4. Dampal is spoken in Indonesia, near Bangkir. Unesco reported that it had one speaker as of 2000.

5. Diahoi (also known as Jiahui, Jahoi, Djahui, Diahkoi, and Diarroi) is spoken in Brazil. Those who speak it live on indigenous lands like Diahui, Middle Madeira river, Southern Amazonas State, Municipality of Humaita. As of 2006, one speaker was left。

6. Kaixana, is a language of Brazil. As of 2008, the sole remaining speaker was believed to be the 78-year-old Raimundo Avelino, who lives in Limoeiro in the Japura municipality, state of Amazonas。

7. Laua is spoken in the Central Province of Papua New Guinea. It is part of the Mailuan language group and is quasi-extinct, with one speaker documented in 2000.

8. Patwin is a Native American language spoken in the western part of the United States. Descendants live outside San Francisco in Cortina and Colusa, Calif. One fluent speaker was documented as of 1997.

9. Pazeh is spoken by Taiwan’s indigenous tribe of the same name. Mrs. Pan Jin Yu, 95, was the sole known speaker as of 2008.

10. Pernono is spoken in Venezuela and has one remaining speaker, who lives in an Upper Majagua village。

11. Taje is one of the endangered languages spoken in the country of Indonesia. As of 2000, there was one speaker remaining in Sulawesi。

12. Taushiro (also known as Pinche, or Tausiro in Spanish) is an isolated language spoken in Peru. The speakers, who were from the Loreto Province and Tigre River basin, married non-Taushiro speakers and adopted Spanish or other languages. There was one speaker documented in 2008.

13. Tinigua is a nearly extinct language from Colombia. While originally from the Yari River, most of descendants now live in the Sierra de la Macarena and do not speak the language any more. As of 2008, the last speaker lived near the Guayabero River。

14. Tolowa, the language of the Tolowa Native American tribe, is spoken by a few members located in the Smith River Rancheria. a sovereign nation, near Crescent City, Calif. Tolowa is part of the Athabaskan language family. One speaker remained as of 2008.

15. Volow (or Valuwa) is spoken on Motalava Island, a part of the Republic of Vanuatu. The Republic of Vanuatu is located near the east coast of Australia. One speaker remained as of 2008.

16. Wintu-Nomlaki is spoken by the Wintu tribe in California. The language has two dialects: Nomlaki, which is spoken along the Sacramento River south of Red Bluff, and the other is Wintu. As of 2008, there was one fluent speaker and several speakers with moderate command of the language。

17. Yaghan is spoken in Chile, in the community of Villa Ukika on Navarino Island, located in the Magallanes Territory. As of 2005, the last remaining speaker and pure-blood member of the Yaghan tribe was an elderly woman named Cristina Calderon。

18. Yarawi (or Suena) is spoken in Papua New Guinea, near Morobe town in Morobe Province. One speaker was documented in 2000.