simply feeding ourselves takes up more than half of all habitable land... 养活我们自己 要占用超过一半的可栖息土地
While our rise contributed to the global extinction of large land animals, 尽管我们的崛起导致 大型陆地动物在全球灭绝
the largest land animals were disappearing. 最大的陆地动物正在消失
balance slowly returned across the land. 大地逐渐恢复平衡
The only thing stopping the water from flooding the land to the west 阻止水流向西淹没陆地的
The mammals had gone from tiny land animals... 哺乳动物从微小的陆地动物
But unlike whales, they still spend much of their time lazing on land. 但与鲸不同 它们多数时间仍懒洋洋地躺在陆地上
Although they had conquered the land, 虽然哺乳动物征服了陆地