英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—19
时间：2018-12-03 作者：英语课 分类：自然百科2010年
英语课
Finally she leaves him some scraps 1 to chew on. A young male arrives, a dangerous situation for the cub 2. She growls 3 a warning. It’s not enough. The cub slips. The mother must get her cub away from danger as quickly as possible.
They head north. She knows that this is where the ice, and with it the seals will first return.
It’s now September, but the sea might not freeze again for another two months. Her cub is unlikely to survive that long.
But there is hope on the horizon. An ice-rainbow heralds 4 change. In the far north, temperatures drop at last. And ice sheets start to grow rather than disappear.
Then a miracle happens, building pressure combines with powerful southerly currents to push the drift-ice southwards.
1 scraps
油渣
- Don't litter up the floor with scraps of paper. 不要在地板上乱扔纸屑。
- A patchwork quilt is a good way of using up scraps of material. 做杂拼花布棉被是利用零碎布料的好办法。
2 cub
n.幼兽，年轻无经验的人
- The lion cub's mother was hunting for what she needs. 这只幼师的母亲正在捕猎。
- The cub licked the milk from its mother's breast. 这头幼兽吸吮着它妈妈的奶水。