美国国家公共电台 NPR--Bats and death metal singers have similar vocal techniques

（单词翻译）

Bats and death metal singers have similar vocal¹ techniques

Transcript²

Biologists at the University of Southern Denmark found that bats have a voice box with thin folds that lets them reach a range of seven octaves. It's similar to how our own voices work.

(SOUNDBITE OF CANNIBAL CORPSE³ SONG, "EVISCERATION⁴ PLAGUE")

RACHEL MARTIN, HOST:

Good morning. I'm Rachel Martin. If you know death metal, you've heard the growls⁵ of singers who sound like they're talking to another species. Turns out they have a lot in common with bats, who use sound to navigate⁶. Biologists at the University of Southern Denmark found that bats have a voice box with thin folds that let them reach a range of seven octaves. It's similar to how our own voices work but only when we do this. (With vocal effect) It's MORNING EDITION.

(SOUNDBITE OF CANNIBAL CORPSE SONG, "EVISCERATION PLAGUE")