1.媒体来源:
※ 例如CNN
2.完整新闻标题:
New fire extinguisher: Bass hum booms flames out
新的灭火器： 低音嗡嗡声震火苗熄灭(使火焰们迅速熄灭)
3.完整新闻内文:
By Ben Brumfield, CNN
由本·布鲁姆费尔德，CNN
Updated 1440 GMT (2240 HKT) March 27, 2015
(CNN)Boom out da fi-ya! Bass out da flames!
Firefighters may be snuffing blazes with deep-toned sound, if a new device
invented by two engineering students in Fairfax, Virginia catches on.
消防队员可能/可以用低沉的声音来熄灭火焰，
假如火焰们由两个在弗吉尼亚州费尔法克斯工程的学生，发明的一个新装置所捕获。
Viet Tran and Seth Robertson's new fire extinguisher looks a little like a
conventional one, but instead of a compressed air tank spewing out chemicals,
theirs has a loudspeaker the size of subwoofer drumming out sound waves.
It's not much to listen to, just a low hum, but when pointed at flames, it
makes them vanish.
In a way, it's like blowing the fire out, because sound waves are basically
multiple, regular blasts of air.
在某种程度上，它就像吹火扑灭，因为声波们基本上都是多个常规空气的爆炸们。
When they started out, Tran and Robertson thought high-pitched tones would do
the trick. It didn't work.
"It's low-frequency sounds