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(niǎo)和地面上捕食它們的動(dòng)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(dòng)物的眼睛能感覺(jué)到最細(xì)小的動(dòng)靜.
《簡(jiǎn)明英漢詞典》
The company is worried about takeovers by various predators.
公司擔(dān)心被各種虎視眈眈的集團(tuán)收購(gòu)。
辭典例句
In many communities insects play a key role as herbivores and predators.
在許多群落中,昆蟲(chóng)作為植食動(dòng)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(niǎo)易受食肉動(dòng)物傷害.
辭典例句
Predators were a threat to the herd.
食肉動(dòng)物對(duì)牧群是個(gè)威脅.
口語(yǔ)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(gè)充滿了掠奪者的宇宙里軟弱得無(wú)法保護(hù)自己.
電影對(duì)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(lèi)的相對(duì)豐盛度為96.7%,捕食類(lèi)相對(duì)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(dòng)物增多了,但加勒比海珊瑚礁得到了禁漁區(qū)的保護(hù).
互聯(lián)網(wǎng)
APHIS offers some suggestions of ways to keep away predators.
APHIS提供一些的方法建議來(lái)趕跑食肉動(dòng)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(dòng)物), killer whales may not fit the image of a cultured creature.
2019年6月四級(jí)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(jí)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(jí)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(jí)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(jí)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(jí)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(jí)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(yǔ)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(yǔ)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(yǔ)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(yǔ)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(yǔ)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(yǔ)天津卷 閱讀理解 閱讀C 選項(xiàng)