JULIA SILVERMAN：“当你在玩球的时候，所有能量都被转移到球上，即便是任何普通的足球。”
JULIA SILVERMAN: "When you play with the ball, there is all this energy being transferred to the ball — even any normal soccer ball."
美国国家点火装置（简称NIF）耗资35亿美元，建在一个十层楼高的建筑里，占地面积有三个足球场那么大。 它将利用激光把氢同位素靶丸转化为热核能量。
The $3.5bn National Ignition Facility (NIF) sits in a 10-storey building covering three football fields and will harness the power of lasers to turn tiny pellets of hydrogen into thermonuclear energy.
足球具有巨大的能量。
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