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英语听力：自然百科 黄石公园的夏天 Yellowstone—7

时间：2014-08-27 07:22:51

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（单词翻译）

 Hot water scorches1 and drowns the roots of trees encroaching on the valleys. It can keep the forests in check and the rich pastures / open. Those pastures now produce the new grass needed to make rich milk and feed a bison baby boom. The few calves2 born on the migration3 are now joined by hundreds of new youngsters. The predators5 have been waiting for this. Coyotes have a voracious6 reputation here. But on its own this one is certainly no match for a healthy bison and her calf7.

 
Pronghorn give birth to twins, each carefully cleaned to hide their smell from predators. While they are with her, they are relatively8 safe. And for now, the coyote is content with the afterbirth. But the mother pronghorn must leave her calves alone while she grazes. And with legs as wobbly as stilts9, their best defense10 is to lie low. She has young of her own to worry about, a demanding litter of nine, whose arrival has been carefully timed to coincide with an abundance of food.
 
But they are not top dog here. Yellowstone's top predator4, the wolf, dominated during the winter but is far less visible in summer. They prefer to stay close to well-hidden dens11 to protect their pups from...

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1 scorches 417e85874dbf4e501eec5b192d2d0e7f     
烧焦，烤焦( scorch的第三人称单数 )； 使（植物）枯萎，把…晒枯； 高速行驶
参考例句：
  • I have heard the taste that something scorches. 我闻到了什么东西烧焦的味道。
  • The atmosphere is becoming thinner and strong sunlight scorches people. 臭氧层越来越薄，阳光越来越灼人。
2 calves bb808da8ca944ebdbd9f1d2688237b0b     
n.(calf的复数)笨拙的男子，腓；腿肚子( calf的名词复数 )；牛犊；腓；小腿肚v.生小牛( calve的第三人称单数 )；（冰川）崩解；生（小牛等），产（犊）；使（冰川）崩解
参考例句：
  • a cow suckling her calves 给小牛吃奶的母牛
  • The calves are grazed intensively during their first season. 小牛在生长的第一季里集中喂养。 来自《简明英汉词典》
3 migration mDpxj     
n.迁移，移居，（鸟类等的）迁徙
参考例句：
  • Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移。
  • He described the vernal migration of birds in detail.他详细地描述了鸟的春季移居。
4 predator 11vza     
n.捕食其它动物的动物；捕食者
参考例句：
  • 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。
5 predators 48b965855934a5395e409c1112d94f63     
n.食肉动物( predator的名词复数 )；奴役他人者（尤指在财务或性关系方面）
参考例句：
  • birds and their earthbound predators 鸟和地面上捕食它们的动物
  • The eyes of predators are highly sensitive to the slightest movement. 捕食性动物的眼睛能感觉到最细小的动静。 来自《简明英汉词典》
6 voracious vLLzY     
adj.狼吞虎咽的，贪婪的
参考例句：
  • She's a voracious reader of all kinds of love stories.什么样的爱情故事她都百看不厌。
  • Joseph Smith was a voracious book collector.约瑟夫·史密斯是个如饥似渴的藏书家。
7 calf ecLye     
n.小牛，犊，幼仔，小牛皮
参考例句：
  • The cow slinked its calf.那头母牛早产了一头小牛犊。
  • The calf blared for its mother.牛犊哞哞地高声叫喊找妈妈。
8 relatively bkqzS3     
adv.比较...地，相对地
参考例句：
  • The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
  • The operation was relatively painless.手术相对来说不痛。
9 stilts 1d1f7db881198e2996ecb9fc81dc39e5     
n.（支撑建筑物高出地面或水面的）桩子，支柱( stilt的名词复数 )；高跷
参考例句：
  • a circus performer on stilts 马戏团里踩高跷的演员
  • The bamboo huts here are all built on stilts. 这里的竹楼都是架空的。 来自《现代汉英综合大词典》
10 defense AxbxB     
n.防御，保卫；[pl.]防务工事；辩护，答辩
参考例句：
  • The accused has the right to defense.被告人有权获得辩护。
  • The war has impacted the area with military and defense workers.战争使那个地区挤满了军队和防御工程人员。
11 dens 10262f677bcb72a856e3e1317093cf28     
n.牙齿，齿状部分；兽窝( den的名词复数 )；窝点；休息室；书斋
参考例句：
  • Female bears tend to line their dens with leaves or grass. 母熊往往会在洞穴里垫些树叶或草。 来自辞典例句
  • In winter bears usually hibernate in their dens. 冬天熊通常在穴里冬眠。 来自辞典例句

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