第1课  A Puma at Large

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1、  When reports came into London Zoothat a wild puma had been spotted forty-five miles south of London, …

    伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时

2、  It immediately ran away when she saw it, and experts confirmed thata puma will not attack a human being unless it is cornered.

家证实，美洲狮非被逼得走投无路，是决不会伤人的。

Not…unless…

3、  Wherever it went, it left behind it a trailof dead deer and small animals like rabbits.

    无论它走哪儿，一路上总会留下一串死鹿及死兔子之类的小动物，

4、  …, this one must have been in the possessionof a private collector and some how managed to escape.

    因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。