A female laying eggs in the water. 一只雌性蜻蜓在水上产卵
Waiting for the aerial acrobats to land might make things easier. 等待这些空中杂技演员降落 可能会降低抓捕难度
Not quite the giants they once were, 虽不再是曾经的巨兽
life on land would never be the same again. 陆地上的生活将永远改变
The evolution from fin to limb took millions of years. 从鳍到肢的进化用了数百万年
Like the three-meter-long Anthracosaurus... 比如三米长的石炭鲵
allowed vertebrates to leave the water and explore the land. 使脊椎动物能够离开水体并探索陆地
The race was on to colonize this new world. 争夺新世界的竞赛已经开始
and help them crawl out of the water. 帮助它们从水中爬出