David Harrison claims discovery of a language unknown to outsiders until just last year.

大卫·哈里斯宣称他发现了一门其他人在去年还不知道的语言。

youdao

David Harrison and Gregory Anderson of Living Tongues say that many endangered languages are spoken by native cultures in close contact with the natural world.

VOA: special.2009.12.02

Councillor David Harrison said Kempsey had been badly hit and the situation made worse when water pumps failed.

BBC: Flood defences: Praise and criticism of new schemes

David Harrison, 50, who lives about two blocks away, said a heavily armed team searched his backyard, including an uninhabited carriage house.

WSJ: Relief in Boston as New Details Emerge in Hunt for Suspected Bombers

That's possible, but not likely, says David Harrison, a professor at the Jackson Laboratory in Bar Harbor, Maine, who helped lead the study.

FORBES: Longevity