Their natural predators have been killed off.
它們的天敵被全部殺死。
柯林斯例句
birds and their earthbound predators
鳥和地面上捕食它們的動物
《牛津高階英漢雙解詞典》
The eyes of predators are highly sensitive to the slightest movement.
捕食性動物的眼睛能感覺到最細小的動靜.
《簡明英漢詞典》
The company is worried about takeovers by various predators.
公司擔心被各種虎視眈眈的集團收購。
辭典例句
In many communities insects play a key role as herbivores and predators.
在許多群落中,昆蟲作為植食動物和捕食者起著重要的作用.
辭典例句
Young birds are very vulnerable to predators.
幼小的鳥易受食肉動物傷害.
辭典例句
Predators were a threat to the herd.
食肉動物對牧群是個威脅.
口語例句
We're like sheep, too weak to protect ourselves in a universe filled with predators.
我們象綿羊, 在這個充滿了掠奪者的宇宙里軟弱得無法保護自己.
電影對白
The leopard seal is one of the Antarctic fiercest marine predators.
豹海豹是北極最兇猛的海洋捕食者之一.
互聯(lián)網(wǎng)
This ability may have evolved to speed escape from predators.
這一能力可被理解為為快速逃避獵食者之用.
互聯(lián)網(wǎng)
Do predators and parasites regulate the population size of their prey?
捕食者和寄生者是否能夠調(diào)節(jié)其獵物種群的大小 呢 ?
互聯(lián)網(wǎng)
The relative abundance ofphytophages and predators were 97.6 % and 2.85 % respectively.
植食類的相對豐盛度為96.7%,捕食類相對豐盛度為2.85%.
互聯(lián)網(wǎng)
Caribbean reefs protected by no - fishing zones despite rise in predators.
盡管食肉動物增多了,但加勒比海珊瑚礁得到了禁漁區(qū)的保護.
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APHIS offers some suggestions of ways to keep away predators.
APHIS提供一些的方法建議來趕跑食肉動物.
互聯(lián)網(wǎng)
Predators that stalk the deepest woods and the darkest urban alleyways.
潛伏在廣袤森林的最深處或影界通道的最暗角落的掠食者.
互聯(lián)網(wǎng)
As one of the most brutal predators (食肉動物), killer whales may not fit the image of a cultured creature.
2019年6月四級真題（第二套）閱讀 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月四級真題（第一套）閱讀 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月六級真題（第三套）閱讀 Section Awild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.
2018年12月六級真題（第三套）閱讀 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月六級真題（第一套）閱讀 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月六級真題（第三套）閱讀 Section CWhen the water hits the right level, the baby birds are kept safe from predators by a corrosive ditch.
2017年12月六級真題（第三套）閱讀 Section CAnd unplanned human activities have proved the idea of top-down control by top predators to be true.
2019年高考英語天津卷 閱讀理解 閱讀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年高考英語天津卷 閱讀理解 閱讀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年高考英語天津卷 閱讀理解 閱讀C 原文It is thought that they are capitalising on their predators天敵fleeing to quieter areas.
2015年高考英語四川卷 閱讀理解 閱讀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年高考英語天津卷 閱讀理解 閱讀C 原文The species they indirectly attack will turn into top predators.
2019年高考英語天津卷 閱讀理解 閱讀C 選項