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有blast off的意思是点火起飞发射升空等于blastoff例如The two spacemen were blasted off into space两名宇航员被发射到太空They were blasted off that planet#39s surface when it was hit by huge meteorites当行星被巨大的陨石撞击时，它们离开了行星的表面祝你学习进步。