英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—9
时间：2018-12-26 作者：英语课 分类：自然百科2010年
It’s seaweed. Kelp is not wildly exciting, but it does contain carbohydrates 1 and some protein too. The cub 2 must find acrobatics 3 rather strange. Hungry bears eat virtually anything. It’s a question of making the most of what’s around, and it’s never too soon to start hunting. Polar bears investigate almost every unfamiliar 4 sight and smell. They are the most curious subjects ever filmed by spycams. This fascination 5 suggests a surprising intelligence, one that evolved for the extraordinary challenges of hunting on ice. Ice floes present real difficulties for a predator 6, continually changing their shape and form. Seals are also tricky 7 prey 8. In open water, they’re just too agile 9 to catch. It becomes a little easier when they haul out on ice, but they hug the water’s edge for a quick escape. The bear immediately has a problem. There is no cover between him and his prey. He wrong-foots the seal by seemingly walking away
- The plant uses the carbohydrates to make cellulose. 植物用碳水化合物制造纤维素。 来自《简明英汉词典》
- All carbohydrates originate from plants. 所有的碳水化合物均来自植物。 来自辞典例句
- 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。
- Acrobatics is hard to learn but beautiful to watch.杂技不好学，但很好看。
- We watched a performance which included a puppet show and acrobatics.我们观看了一场演出，内容有木偶和杂技。
- I am unfamiliar with the place and the people here.我在这儿人地生疏。
- The man seemed unfamiliar to me.这人很面生。
- He had a deep fascination with all forms of transport.他对所有的运输工具都很着迷。
- His letters have been a source of fascination to a wide audience.广大观众一直迷恋于他的来信。
- The final part of this chapter was devoted to a brief summary of predator species.本章最后部分简要总结了食肉动物。
- Komodo dragon is the largest living lizard and a fearsome predator.科摩多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。
- I'm in a rather tricky position.Can you help me out?我的处境很棘手，你能帮我吗？
- He avoided this tricky question and talked in generalities.他回避了这个非常微妙的问题，只做了个笼统的表述。