影片主要讲述了一个小男孩寄养的一只狗原来是美国总统在一次恐怖袭击中迷失的的朋友，这个男孩在电视上看到总统迷失的狗正是跑到自己家的那只狗，于是他决定离家出走返回白宫把狗送回去，因为他觉得这才是正确的事情。
将你的第一只狗角色转换为明星模范，那么你训练第二只狗的工作量将减少一半。
Turn your first dog into a stellar role model and take half the work out of raising the second puppy.
自从第一只羊被克隆以来，已经有几十种动物被克隆了，包括老鼠、猫、牛和最近的一只狗；而且越来越明显的是，这些动物都有这样或那样的缺陷。
Dozens of animals have been cloned since that first lamb—mice, cats, cows and, most recently, a dog—and it's becoming increasingly clear that they are all, in one way or another, defective.
韩国的一个实验室曾制造了世界上第一只克隆狗。本周二，实验室官员称目前他们正在为克隆犬类寻找商机，而第一站是：克隆缉毒犬。
A South Korean laboratory that produced the world's first cloned dogs is looking to get into the business of cloning canines, first by cloning drug - sniffing dogs, a lab official said on Tuesday.
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