Their natural predators have been killed off.
它们的天敌被全部杀死。
柯林斯例句
birds and their earthbound predators
鸟和地面上捕食它们的动物
《牛津高阶英汉双解词典》
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.
《简明英汉词典》
The company is worried about takeovers by various predators.
公司担心被各种虎视眈眈的集团收购。
辞典例句
In many communities insects play a key role as herbivores and predators.
在许多群落中,昆虫作为植食动物和捕食者起着重要的作用.
辞典例句
Young birds are very vulnerable to predators.
幼小的鸟易受食肉动物伤害.
辞典例句
Predators were a threat to the herd.
食肉动物对牧群是个威胁.
口语例句
We're like sheep, too weak to protect ourselves in a universe filled with predators.
我们象绵羊, 在这个充满了掠夺者的宇宙里软弱得无法保护自己.
电影对白
The leopard seal is one of the Antarctic fiercest marine predators.
豹海豹是北极最凶猛的海洋捕食者之一.
互联网
This ability may have evolved to speed escape from predators.
这一能力可被理解为为快速逃避猎食者之用.
互联网
Do predators and parasites regulate the population size of their prey?
捕食者和寄生者是否能够调节其猎物种群的大小 呢 ?
互联网
The relative abundance ofphytophages and predators were 97.6 % and 2.85 % respectively.
植食类的相对丰盛度为96.7%,捕食类相对丰盛度为2.85%.
互联网
Caribbean reefs protected by no - fishing zones despite rise in predators.
尽管食肉动物增多了,但加勒比海珊瑚礁得到了禁渔区的保护.
互联网
APHIS offers some suggestions of ways to keep away predators.
APHIS提供一些的方法建议来赶跑食肉动物.
互联网
Predators that stalk the deepest woods and the darkest urban alleyways.
潜伏在广袤森林的最深处或影界通道的最暗角落的掠食者.
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As one of the most brutal predators (食肉动物), killer whales may not fit the image of a cultured creature.
2019年6月四级真题（第二套）阅读 Section AShe also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.
2017年12月四级真题（第一套）阅读 Section CBut, as the human study suggests, another reason for dolphins keeping their eyes open during sleep is that they can look out for predators while asleep.
2017年6月六级真题（第三套）阅读 Section Awild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
2018年12月六级真题（第三套）阅读 Section AThis idea is based on the principle that lions and other predators are far less likely to attack when they feel they are being watched.
2018年12月六级真题（第一套）阅读 Section AThree-quarters of the world's flamingos fly over from other salt lakes in the Rift Valley and nest on salt-crystal islands that appear when the water is at a specific level一too high and the birds can't build their nests, too low and predators can move bri
2017年12月六级真题（第三套）阅读 Section CWhen the water hits the right level, the baby birds are kept safe from predators by a corrosive ditch.
2017年12月六级真题（第三套）阅读 Section CAnd unplanned human activities have proved the idea of top-down control by top predators to be true.
2019年高考英语天津卷 阅读理解 阅读C 原文In the 1960s, scientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species - including species they did not directly attack.
2019年高考英语天津卷 阅读理解 阅读C 原文In the ocean, we fished for top predators such as cod on an industrial scale, while on land, we killed off large predators such as wolves.
2019年高考英语天津卷 阅读理解 阅读C 原文It is thought that they are capitalising on their predators天敌fleeing to quieter areas.
2015年高考英语四川卷 阅读理解 阅读D 原文Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
2019年高考英语天津卷 阅读理解 阅读C 原文The species they indirectly attack will turn into top predators.
2019年高考英语天津卷 阅读理解 阅读C 选项