- Its huge size allows it to travel large distances in search of food...
巨大的身躯 使它能够长途跋涉寻找食物 - ...and ensures it has reserves to get through leaner times.
并能够有所储备 以便挺过食物较少的时期 - Mammals were now big enough
哺乳动物此时已非常庞大 - to rival the long-lost dinosaurs.
能够与消失已久的恐龙相媲美 - But being big has other implications...
但庞大也有别的影响 - especially when it comes to finding a mate.
尤其是在寻找配偶时 - 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