school of dolphin five hundred strong. 一群多达500条的真海豚
Dusky dolphin, often in pods two hundred strong work together to reap the harvest. 200条暗色斑纹海豚聚集在一起 紧密合作,尽情收获
until her calf is strong enough to make the journey to the feeding grounds, near the poles. 等到小鲸足够强壮了,才开始到极地进食点的旅行
Their parents lead them down to the safety of the water as soon as they're strong enough to make the journey. 它们强壮得可以旅行时, 父母马上就带着它们来到更为安全的水域
The urge to parent is so strong that they will compete with one another to adopt any chick they find. 这些母鸟们自己的宝宝夭折了 便争养任何碰到的孤儿
a permanent hole in the sea ice, kept open throughout the winter by strong ocean currents. 冰间湖是结冰的海洋上永久性的洞孔 因为有强大的洋流使它们冬天也不会冰封
Flocks 40,000 strong sweep across the frozen wastes. 4万只绒鸭飞越这一片冰天雪地的荒野
New couples quickly form a strong bond. 新的企鹅对很快就会建立深厚的感情
to form gigantic plagues several billions strong and as much as 40 miles wide. 从而形成巨大的灾害 无数“瘟神”组成的大军绵延长达40英里