英语语法分析

Tex, the six-year-old cattle dog the Seals had raised from a puppy, was unusually amiable for a blue-heeler, a established by ranchers in Australia.

特克斯是只牧牛狗，西尔夫妇把他从小养大，现在已经6岁了。他是澳大利亚牧场主培育的品种，特别和蔼可亲。