英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—2
时间：2019-01-22 作者：英语课 分类：自然百科2010年
英语课
She pushes the camera down the slope, a tracking shot. As she films, there is no human presence of any kind. She even adjusts the camera to record her own exit.
She must get her cub 1 to the sea-ice before it breaks up and thaws 2, otherwise, they will be trapped on the island for the summer with little to eat.
She needs to be careful. Males roam in ice fields below. And they kill cubs 3. They will try to mate with their mother, so she has their cubs instead. But the larger males find deep snow and steep slope heavy-going. She wisely keeps her cub to the higher ground.
Back at the den 4 sites, other cubs are yet to emerge. They appear over a five-week period from March to April. After ten days of waiting, something stirs. The mother has waited six whole months for this moment.
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。
n.（足以解冻的）暖和天气( thaw的名词复数 )；（敌对国家之间）关系缓和v.（气候）解冻( thaw的第三人称单数 )；（态度、感情等）缓和；（冰、雪及冷冻食物）溶化；软化
- The sun at noon thaws the ice on the road. 中午的阳光很快把路上的冰融化了。 来自辞典例句
- It thaws in March here. 在此地化雪的季节是三月。 来自辞典例句
n.幼小的兽，不懂规矩的年轻人( cub的名词复数 )
- a lioness guarding her cubs 守护幼崽的母狮
- Lion cubs depend on their mother to feed them. 狮子的幼仔依靠母狮喂养。 来自《简明英汉词典》