文章列表

• 1.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—13
• If it hasn't already been seen, that is. The bears at the whale carcass are in food heaven, but their peace is about to be shattered. This male heavyw...
• 2.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—12
• They continually chatter away to each other. It's all about keeping aggression under control. Their massive claws rake the skin like knives, cutting i...
• 3.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—11
• Back on Svalbard, it's high summer. Barnacle geese that had overwintered in Scotland have started to breed. Their calls bring hope to hungry bears. Th...
• 4.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—10
• Every hunt presents a different challenge, so he plans a new strategy each time. He slinks into the water, using a channel between the ice floes to ac...
• 5.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—9
• Its seaweed. Kelp is not wildly exciting, but it does contain carbohydrates and some protein too. The cub must find acrobatics rather strange. Hungry ...
• 6.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—8
• This new and ever-changing world requires a different spy-camera, iceberg-cam. It effortless steers between ice sheets and its turret rotates to follo...
• 7.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—7
• She leaves little behind. Males are still on the lookout for females. For her cub's safety, she heads back to the hills. But as spring continues, leng...
• 8.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—6
• But again, a bear helps with the filming. Sealed with a kiss, the couples whirlwind romance will last three weeks. Out on the frozen sea, a young male...
• 9.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—5
• She's aware of his difficulties and uses her body as a shield. She must stay attentive if her cub is to survive in this harsh Arctic world. Realizing ...
• 10.英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—4
• But polar bear courtship is never straightforward. She likes to play hard-to-get. It's also a challenge for blizzardcam. She's testing his fitness, ma...