街角那只可爱的杂种狗经常对我们摇尾巴。
The cute ___mongrel at the street corner often wags its tail at us.
那个种族主义者轻蔑地称混血儿为劣等杂种。
The racist scornfully referred to people of mixed race as inferior ___mongrels.
这只杂种狗比纯种犬更健康活泼。
This ___mongrel is healthier and more energetic than purebred dogs.