extinctions

extinctions

美 [ɪkˈstɪŋkʃ(ə)n] 　英 [ɪk'stɪŋkʃ(ə)n]

• n.(权利等的)消灭；(火等的)熄灭；(法律等的)废除；【物】消光
• 网络灭绝；灭绝了

词形变化

反义词

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英汉解释

英英解释

例句

"In the case of birds, " he said, "lots of extinctions, no change in total biodiversity. "

他说：“就鸟类来说，一部分的灭绝并没有改变总体上的生物多样性。”

Because there was no evidence linking space objects to the remaining mass extinctions scientists began looking back to earth.

由于没有证据显示太空天体跟其余的灭绝事件有关，科学家们又开始返回来关注地球。

In the 1980s scientists believed that Earth's regular extinctions could be the result of a distant dark twin of the Sun, called Nemesis.

20世纪80年代时科学家们认为地球周期性的生物灭绝可能是由遥远太空的涅墨西斯星球造成的，该星球和太阳很相似。

That increase was associated with mass extinctions, which, to put it mildly, probably would not be good for living standards.

这种上升导致了大量物种灭绝，客气点说，就是不利于我们生活。

An expert said the dating is significant because some researchers have blamed the extinctions on extended droughts that occurred later.

一位专家说，这次年代测定具有重要意义，因为有些研究者把动物绝种归咎于发生较晚的长期干旱。

She said a major cause of the extinctions are plants and animals not native to Hawaii.

她说非夏威夷本土的动植物引入是促使物种灭绝的主要原因。

The new view of mass extinctions is, yes, we were hit, and, yes, we have to think about the long term, because we will get hit again.

对物种大灭绝，从一个新的角度看，是的，我们被撞击了，而且，是的，我们不得不从长远考虑，因为我们会再次被撞击。

Therefore, some climate change or other environmental factor must have caused the species' extinctions .

因此，一定是一些气候上的变化或其他环境因素导致了这些物种的灭绝。

The biodiversity of New York today is the result of extinctions, invasions and adaptations.

纽约今天的生物多样性就是灭绝、入侵和适应的产物。

Debate over the cause of these extinctions has focused on the primacy of humans and climate in driving this dramatic loss of large mammals.

关于造成这些大型哺乳动物灭绝的原因的争论主要放在了人类及气候上。

That date marks one of five recognised mass extinctions in history (the end of the Cretaceous was another).

第一个时间点也是史上5次著名的大规模物种灭绝事件之一（另一次发生在白垩纪末期）。

(See " Apocalypse Meow, " below. ) They're also responsible for at least 33 avian extinctions worldwide.

（参考下面”猫的启示“）对全球至少33种鸟类的灭绝，它们也逃脱不了干系。

Evidence from fossils suggests that in the "Big Five" extinctions, at least 75 percent of all animal species were destroyed.

从化石可以证明，在过去的五次大灭绝中，75%动物物种消失。

The theory of periodic extinctions itself is still debated, with many insisting that more proof is needed.

物种周期性大灭绝的理论本身依然是备受争议的，需要更多的证据以便进一步地论证。

We're living in a time of mass extinctions that exceeds the fossil record by a factor of 10, 000.

我们现在正处于物种大量灭绝的时代，数据是恐龙灭绝数据的1万倍。

Yale: I know there've been a few extinctions, Don, but not that many.

唐，我知道地球确实经历了几次物种灭绝，但没你说的那么多。

They have survived at least four planetary mass extinctions.

它们至少经历了四次地球物种灭绝，一直活到了今天。

As they reported last month in the journal Nature, the current rate of extinctions is far above normal.

上个月发表于《自然》杂志的这份研究报告显示，目前物种灭绝的速度远远高于正常水平。

Compared with nearly all the previous extinctions this would be fast-track.

与之前的五次相比，这次物种灭绝可谓神速。

Though these mass extinctions are deadly events, they open up the planet for new life-forms to emerge.

尽管这些大规模物种灭绝是致命的事件，可是这些事件也打开了地球上新生活方式的出现。

Researchers hope to make a last-ditch effort to stabilize the Yangtze ecosystem and prevent further extinctions.

研究人员希望尽最后的努力来拯救长江的生态系统，同时防止进一步的动物灭绝。

This list looks at some of the more recent, probably lesser known extinctions that humans have lent a helping hand to.

本文列出了一些新近灭绝的物种，可能大家不甚知晓，但在其灭绝的过程中人类却起了助推作用。

Most paleontologists suspect that abrupt changes in climate led to the mass extinctions.

大部分古生物学家都猜想是气候的突变导致了生物大灭绝。

This suggests to me that life causing these mass extinctions because it did is inherently anti-Gaian.

这让我想到导致物种大灭绝的生命，因为它确实本来就与盖亚假说不相容。

These occasional comet showers could be why the mass extinctions on Earth are so regular, some scientists believe.

一些科学家认为，这些偶然的彗星雨可能就是为什么地球上的大规模物种灭绝如此规律地发生的原因。

Therefore what is said about extinctions -- that constraints caused them -- may be equally true about origins.

所以说，前面关于物种灭绝所说的话——是束缚导致了这种灭绝——也许对于物种的起源也同样成立。

Massive extinctions are now being seen in many areas of the world, including Mexico, the Amazon Basin, and equatorial Africa.

现在，我们能在世界上许多地区，包括墨西哥、亚马逊河流域以及赤道周围的非洲地区，看到蜥蜴正濒临大规模灭绝。

That object, named for the Greek goddess "Nemesis, " was proposed to explain periodic mass extinctions on the Earth.

该天体以希腊神话中的“复仇女神（Nemesis）”命名，人们认为它可以解释地球上的周期性物种大灭绝。

The rates of extinction happening today are as great as the rates during these mass extinctions.

现在的灭亡速率和之前大灭绝的速率旗鼓相当。最后一句

Glaciers melt, sea levels rising global warming, accelerate the species' extinctions.

冰川融化，海平面不断升高，全球变暖加速了物种的灭绝。

Sheila Conant: We've had twenty more extinctions than New Zealand, and greater than fifty more than North America.

希拉•柯南特：夏威夷的物种灭绝的数目比新西兰高出20多种，比北美高出50多种。

The model pinpointed exact sites where extinctions should be happening.

这个模型指出了蜥蜴可能发生灭绝的准确地点。

That is not to say there will be no extinctions in a tightly wrapped ecosystem.

这并不是说，在包裹得严严实实的生态系统中，就没有什么灭绝的事情发生。

Many such extinctions have been caused or aggravated by rats, cats, and other introduced animal pests.

许多这类灭绝事件是由大老鼠、猫和其他引进的有害动物造成或加剧的。

Giant eruptions have contributed to mass extinctions, including the one that killed off the dinosaurs around 65 million years ago.

巨大的火山爆发导致了大规模的灭绝，包括在6.5千万年前杀光了恐龙的那一次。

Scientists then began searching the layers of rocks that delineate mass extinctions.

科学家们开始研究详细记录了大规模灭绝事件的岩石层。

While our survival is the cost of others' extinctions!

我们的存活造成别人的灭绝！

Originally, Nemesis was suggested as a way to explain a cycle of mass extinctions on Earth.

最初，“复仇者”是用来解释地球物种大规模周期性的灭绝。

Some thought that the loss of forest and animal extinctions were the result of climate change.

有人认为气候变化造成森林减少和动物灭绝。

According to this pattern, the study's authors point out, extinctions are likely to eliminate entire branches of the evolutionary tree.

研究指出，照这样看灭绝方式很可能会波及整个进化树的分支。