英语听力：2012-02-24 从南极到北极 From Pole To Pole—17
时间：2019-01-23 作者：英语课 分类：探索与发现2012年
英语课
Their secret is teamwork. Impala are their favourite prey 1. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around their target. They seem to form a cordon 2 around the impala. Moving in total silence, they take up their positions. Those ears can detect the slightest rustle 3.
The hunt is on. Three dogs close in on one impala. Missed. The lead dog drives the impala towards the hidden flankers. Anticipating their line, the leader cuts the corner and joins a flanker for the final assault. It’s all or nothing—one on one. The dog has stamina 4. The impala has speed. Leaping into the lake is an act of desperation—impala
can barely swim.
n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨
- Stronger animals prey on weaker ones.弱肉强食。
- The lion was hunting for its prey.狮子在寻找猎物。
n.警戒线，哨兵线
- Police officers threw a cordon around his car to protect him.警察在他汽车周围设置了防卫圈以保护他。
- There is a tight security cordon around the area.这一地区周围设有严密的安全警戒圈。
v.沙沙作响；偷盗(牛、马等)；n.沙沙声声
- She heard a rustle in the bushes.她听到灌木丛中一阵沙沙声。
- He heard a rustle of leaves in the breeze.他听到树叶在微风中发出的沙沙声。