to support such giants on this relatively small island. 为这种庞然大物提供充足的食物来源
These giants have the strength to smash through the frozen crust 这种体型巨大的动物有足够的力量砸出冰窟窿
giants that grow over five metres long. 这些大怪物能长到5米多长
Living up to 80 years they grow into giants. 它们能活80多年 因此长得十分巨大