.原句难词释义译文1.Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.dwellers dwel n.居民，居住者continent kntinnt n.大陆，洲，陆地antelope ntilup n.羚羊；羚羊皮革pronghorn prh:n, pr:- n.叉角羚；糜鹿美洲羚羊，或称叉角羚，是该大陆典型的草原动物。2.Of the millions who saw Haleys comet in 1986, how many people will live long enough to see it return in the twenty-first century?comet kmit n.彗星1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？3.Anthropologists
