This is the VOA Special English Health Report. A condition called atrial fibrillation produces an abnormal heartbeat. People feel their heart race and they lose their breath. It may last a few seconds, but it can get worse and worse with age, leading...
经济学人音频版 Unit11:Briefings-Apple...
经济学人音频版 Unit10:Briefings-Sri Lanka...
Oil prices in Asia slipped briefly below $60 a barrel for the first time in more than 18 months, then rallied to $61, after a two-day plunge. From Sydney, Phil Mercer reports. Analysts say that worries over the state of the world economy and prospec...