they share with most animals on the world's open plains. 开始辽阔草原上不断迁徙的生活
they try to drive their quarry into the open. 将猎物驱赶到开阔地带
By mid-morning, it's risky to linger out in the open. 上午十点钟在开阔地带逗留就已经十分危险
Out here, in the open ocean, there is nowhere for the baitfish to hide. 在这片空旷的海域中 这些小鱼无处可藏
How they find their way back across thousands of miles of open ocean, 它们如何从1000英里外再次赶回
It specializes in locating prey in the emptiest areas of the open ocean 它擅长的是即使在最空荡的海域也能找到猎物
Many predators spend much of their time cruising the open ocean 许多掠食者把大部分的时间用在来回巡游
a struggle to conserve precious energy in the open ocean. 在这广袤的大洋中只为获得宝贵的能量
Once started the foot long flowers can open fully in less than a minute. 长长的花可以在1分钟之内完全展开…