Decades ago, the USSR developed unkillable sharks and launched them to the moon. Today, a team of American astronauts will endure the fight of their lives. 　　译文(3): 几十年前，苏联研制出了不可攻击的鲨鱼，并将其发射到月【资源囤-ZiYuanTun.Com】。今天，一队美国宇航员将经历一生的战斗。