1·Was his adoption engineered to look like a rescue - or at least blur the line to head off criticism that the Obamas had picked a purebred from a breeder?
是不是奥巴马的收养行为只是被安排得像是一次救助，或者至少模糊了界线以堵住那种“奥巴马从养犬人那里弄了只纯种狗”的批评呢？
2·This means we can't yet be sure purebred dogs resemble their owners.
我们不能肯定纯种狗是否会和其主人越来越相似。
3·The studies also show that many seemingly "purebred" ethnic groups have ancestry traceable to more than one continent.
研究也显示许多看来“纯种”的民族其祖先起源自不止一个大陆。
4·Some of our purebred pets like this bloodhound look like little mutants, and we love them, not in spite of their ugliness, but because of it.
像猎犬这样的一些人类纯种宠物看上去有时也像突变体，并且我们之所以喜欢它们，恰恰是因为它们的丑陋之处。
5·All they knew was that this Lab was a purebred.
他们只知道马利是条纯种拉布拉多犬。