英语听力：自然百科:黄石公园—夏天(8)

Hot water scorches¹ and drowns the roots of trees encroaching on the valleys.

热水流淌并淹没了盘桓于整个山谷的树根。

It can keep the forests in check and the rich pastures open.

它可以使森林维持并使富饶的牧场开放。

Those pastures now produce the new grass needed to make rich milk and feed a bison baby boom.

这些牧场现在产生的新草带来丰富的牛奶并满足野牛的婴儿潮。

The few calves² born on the migration³ are now joined by hundreds of new youngsters.

在迁移中出生的几头小牛现在加入了数百名新人的行列中。

The predators⁴ have been waiting for this.

而食肉动物们一直盼望着这一天的到来。

Coyotes have a voracious⁵ reputation here.

土狼在这里有着贪婪的名声。

But on its own this one is certainly no match for a healthy bison and her calf⁶.

但是这一头土狼肯定不能和健康的野牛和她的小牛犊们相提并论。

Pronghorn give birth to twins, each carefully cleaned to hide their smell from predators.

叉角羚生下一对双胞胎,每一只都在仔细清除各自的气味以躲避捕猎者们的追踪。

1 scorches   

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   

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   

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 predators   

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》

5 voracious   

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。

6 calf   

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。