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US entrepreneur Elon Musk has launched his new rocket, the Falcon Heavy, from the Kennedy Space Center in Florida. 美国企业家埃隆-马斯克在佛罗里达州肯尼迪航天中心成功发射了最新的猎鹰重型火箭。 The mammoth vehicle - the most powerful since the shuttle system - lifted clear of its pad without incident to soar high over the Atlantic Ocean. 猎鹰重型火箭是目前运力最强的火箭。火箭成功发射升空，飞向大西洋上空。 It was billed as a risky test flight in advance of the lift-off. 在升空之前，这被认为是一次冒险的试飞。 | 
