英语听力：自然百科 大迁徙之繁衍生息 Need to Breed—5
时间：2019-01-22 作者：英语课 分类：自然百科2011年
英语课
Blood runs freely from slashed 1 noses and necks. They even fight dirty, going for the eyes.
The loser's breeding chances for now are ground into the sand. But this beachmaster's triumph is just the beginning of his troubles. Ahead lie dozens of fights and perhaps a hundred matings all for the sake of his bloodline. They need to pass on one's genetic 2 legacy 3 is a great motivator of migrations 4.
Nothing else could drive the nomads 5 of the Falklands to tolerate life on land. Nothing else could make migrating mothers stand up to great predators 6 or to drive potential fathers to travel great distances to deadly battlefields.
v.挥砍( slash的过去式和过去分词 )；鞭打；割破；削减
- Someone had slashed the tyres on my car. 有人把我的汽车轮胎割破了。
- He slashed the bark off the tree with his knife. 他用刀把树皮从树上砍下。 来自《简明英汉词典》
adj.遗传的，遗传学的
- It's very difficult to treat genetic diseases.遗传性疾病治疗起来很困难。
- Each daughter cell can receive a full complement of the genetic information.每个子细胞可以收到遗传信息的一个完全补偿物。
n.遗产，遗赠；先人(或过去)留下的东西
- They are the most precious cultural legacy our forefathers left.它们是我们祖先留下来的最宝贵的文化遗产。
- He thinks the legacy is a gift from the Gods.他认为这笔遗产是天赐之物。
n.迁移，移居( migration的名词复数 )
- It foundered during the turmoils accompanying the Great Migrations. 它在随着民族大迁徙而出现的混乱中崩溃。 来自辞典例句
- Birds also have built-in timepieces which send them off on fall and spring migrations. 鸟类也有天生的时间感应器指导它们秋春迁移。 来自互联网
n.游牧部落的一员( nomad的名词复数 )；流浪者；游牧生活；流浪生活
- For ten years she dwelled among the nomads of North America. 她在北美游牧民中生活了十年。
- Nomads have inhabited this region for thousands of years. 游牧民族在这地区居住已有数千年了。 来自《简明英汉词典》