In a large mirrored room at the Sunny Ray Salsa studio across town, a dozen hopefuls were practicing their spins and pointing their elbows as a mambo tune boomed from the speakers.
在一个镇上的一家“阳光射线莎莎舞蹈”里面，一个大的镜室里面，十几的充满希望的人，伴着从音响里传出来曼波舞曲正在练习。
Studio executives are hoping to offset the decline of the DVD with a new, fancier disc, called Blu-ray, which gives a better picture.
制片商希望通过推出新一代的画质更清晰的蓝光DVD来对应DVD销量下降。
Stronger than FM radio signals, these RF waves are still abillionth the intensity of known carcinogenic radiation like X-rays. (See pictures from an X-ray studio.)
这些射频电波比调频收音机信号要强，其强度大约相当于X射线这类致癌放射线的十亿分之一。
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