英国物理学家霍金本周语出惊人，称"穿梭时空"将成为可能。
UK physicist Stephen Hawking said this week that "time travel is possible".
文章较全面地评述了著名物理学家霍金的科学生涯、科学精神、宇宙观和人生观。
Stephen Hawking's scientific career, scientific spirit, view of life and opinion of the universe are reviewed comprehensively in this article.
著名天体物理学家霍金长久思考了这个宇宙问题：“我们孤独吗？”答案很可能是否，他说。
Famed astrophysicist Stephen Hawking has been thinking a lot about the cosmic question, "Are we alone?" the answer is probably not, he says.
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