因此，不可避免的是，公麋鹿会为了争夺母鹿而进行残酷的搏斗，自然选择势必导致公麋鹿的“军备竞赛”——通过的角的进化以获得战斗的胜利。

It was thus inevitable that bulls would fight bitterly for access to females, and also inevitable that natural selection would spawn an arms race in the antlers that promoted success in those battles.

youdao

沃森动身去南极前在伦敦说，很少人能明白这种老式的海上战斗有多残忍：面对面搏斗、冲撞、炮击、沉船。

Few people realise, said Watson in London before setting off for the Antarctic, how dirty this old-fashioned sea war can get, with hand-to-hand combat, collisions, bombardments and sinkings.

youdao

这是场搏斗到死的惨烈战斗，在一场比一场困难的死亡竞赛中，你必须好好运用你的军器才能击败敌人。

It's a fight to the death in which you must use your arsenal wisely in order to overcome your foes in this series of increasingly difficult deathmatches.

youdao