he could seriously injure his opponent. 它能够重伤对手

108. This female is already closely guarded by a male,
     这只雌巨角犀 已经被一只雄巨角犀严密地守护着
109. much larger than the first.
     比之前那只雄巨角犀大很多
110. If challenged,
     如果受到挑战
111. he could seriously injure his opponent.
     它能够重伤对手
112. But the smaller male may be in luck.
     但较小的这只雄巨角犀运气不错
113. Another female,
     又来了一只雌巨角犀
114. and she seems to be alone.
     它似乎孤身一人

来自《我们星球上的生命 第一季 第七集 Life on Our Planet S01E07 地球继承者》第 111 行