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托福听力背景知识:犀牛

发布时间:2013-05-02 16:52:19 来源:宁波朗阁培训中心 编辑:宁波朗阁小编
  为方便我们广大考生备考迎考,宁波新托福为大家搜集整理了托福听力背景知识:犀牛,供大家参考使用,希望会对大家有所帮助。  犀牛有...
  为方便我们广大考生备考迎考,宁波新托福为大家搜集整理了托福听力背景知识:犀牛,供大家参考使用,希望会对大家有所帮助。
  犀牛有异常粗笨的躯体,短柱般的四肢,庞大的头部,全身披着铠甲似的厚皮,吻部上方长有单角或双角,头两侧生有一对小眼睛。
  犀牛(rhino)是陆生动物中最强壮和体形最大的动物之一,也是当今第二大陆地动物。约5千6百万年的早始新世时最早的犀牛家族成员就已出现,现在世界上共有四属五种犀牛:黑犀牛(Black rhino)(西非亚种2011年11月10日正式宣告灭绝)、白犀牛、印度犀牛(Indian rhinoceros)、苏门答腊犀牛(Sumatran rhinoceros)和爪哇犀牛(2010年被偷猎者猎杀的印支爪哇犀牛,可能是世界最后一只)等5种,而这五种犀牛都属于《华盛顿公约》附录中的一类保护动物。
  Rhino 2.4-5 meters long, shoulder 1.15-2.4 meters high, weight 600-5200 kilograms, is second only to the second existing elephant, animal. Rhino feet short fat, thick hair, small eyes, horns in the nose, usually 60-100 cm; white rhinoceros horns up to a maximum of 158 cm. Rhinoceros horn is the main feature of rhinoceros, although they are the most powerful weapon, but from a hair form, are not part of the bone, can be regenerated in the broken. Therefore, after the death of the rhinoceros, rhinoceros horn will gradually disappear. They are timid, love to sleep, like living alone, very attached to his mother and calf. Rhinoceros skin is very hard, but the folds of the skin is very delicate, often parasitic in which, in order to get rid of these bugs, they are often in the mud wallowing in mud. But interestingly, a rhino birds often stop parasite clearance for it on the rhinos back. The rhinoceros has no enemies in nature, but because of high economic value and medicinal value of rhino horn, so since ancient times, they always been wantonly kill, rhino populations are very rare, 5 add up to only 20000 7 more than 1000 bulls, are all classified as international animal protection. But even so, each year the poachers were killing rhinos are always in the 200-400 header.
  犀牛由于皮肤松弛,皮下脂肪发达,故有许多褶皱,褶皱里钻进不少寄生虫,全靠一种小小的犀牛鸟为它医治。若是发现什么特殊情况,犀牛鸟会骤然起飞,大声啼叫!"。犀牛六岁成熟,每胎产一仔,一生也只能生5--6胎,故而繁育稀少,其寿命可长达50年以上。
  the white rhino temperament, not attack a human being. India rhinoceros temper can be said to be neither a docile, but not violent. Sumatra rhinoceros and Javan rhinoceros were discreetly, timid animal, whereabouts secret, in general, they prefer to hide rather than fighting, but they hurt or in trouble is unusually fierce and often rush blindly towards the enemy. The rhinos at her worst, most has the most aggressive will belong to black rhinos, black rhino started to anger, can be said to be "carry all before one", coupled with their original vision is poor, so sometimes even dare speeding train collision. In addition, the rhinoceros skin can be said to be all existing terrestrial animal in the thick, than the elephant and hippo skin is thicker, the thickness of up to 4-8CM, even the ordinary rifle bullets could not wear.
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