英语听力：自然百科 黄石公园的夏天 Yellowstone—7
时间：2019-01-05 作者：英语课 分类：自然百科2012年
英语课
Hot water scorches 1 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 calves 2 born on the migration 3 are now joined by hundreds of new youngsters. The predators 5 have been waiting for this. Coyotes have a voracious 6 reputation here. But on its own this one is certainly no match for a healthy bison and her calf 7.
Pronghorn give birth to twins, each carefully cleaned to hide their smell from predators. While they are with her, they are relatively 8 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 stilts 9, their best defense 10 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 predator 4, the wolf, dominated during the winter but is far less visible in summer. They prefer to stay close to well-hidden dens 11 to protect their pups from...
烧焦，烤焦( scorch的第三人称单数 )； 使（植物）枯萎，把…晒枯； 高速行驶
- 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。
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
- 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》
n.迁移，移居，（鸟类等的）迁徙
- 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。
n.捕食其它动物的动物；捕食者
- 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。
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）
- 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》
adj.狼吞虎咽的，贪婪的
- 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。
n.小牛，犊，幼仔，小牛皮
- 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。
adv.比较...地，相对地
- 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。
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
- 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》
n.防御，保卫；[pl.]防务工事；辩护，答辩
- 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。