Prehistoric fires may have killed off the big beasts that once roamed Australia.史前阶段的数场大火可能使一度生活在澳大利亚的大型野生动物通通灭绝。Losing several games in a row had completely demoralized the team.连续输掉数场比赛使全队上下彻底泄了气。The team got off to an inauspicious start/beginning with a series of early losses.这个球队一开始就连输数场，前景不容乐观。