查询词典 extinctions

Seborrhea alopecia.It is very effective in stopping of itches, extinctions of dandruff, dispelling of grease and preventing

本品是头皮发炎及早期脱发最理想的外用涂剂，止痒，除屑，袪脂，防脱之功效最为显著

Many such extinctions are due to natural forces, while others are due to anthropogenic factors.

有一些动物的绝种是由于自然的限制，有一些是因为人为的因素。

Such natural and anthropogenic characteristics are likely to increase the frequency of local bottlenecks and extinctions.

这些自然和人为的特点似乎能增加种群的局部瓶颈和灭绝的频率。

Many such extinctions are due to natural forces, while others are due to anthropogenic factors.

许多物种的灭绝是因于自然选择，另一些则是因于人类活动。

Miller, a paleobiologist and professor of geology at the University of Cincinnati, says the new study is striking because it establishes a clear relationship between the tempo of mass extinction events and changes in sea level and sediment: Over the years, researchers have become fairly dismissive of the idea that marine mass extinctions like the great extinction of the Late Permian might be linked to sea-level declines, even though these declines are known to have occurred many times throughout the history of life.

&阿诺德一Miller表示，与古地质学教授在辛辛那提大学说，新研究是惊人的，因为它确立了明确的关系节奏的大规模灭绝事件和海平面变化和沉积物：&多年来，研究人员已成为相当不屑一顾的想法，海洋生物大灭绝一样伟大的濒临灭绝的晚二叠世可能与海平面下降，即使这些下降是众所周知的已经发生很多次整个生命的历史。清楚这项研究的关系文件将促使许多人重新考虑其以前的意见。

Human population is drastically reduced. Perhaps 90% of species become extinct, rivalling the worst mass extinctions in the Earth's 4.5 billion-year history.

人口数量大幅减少，也许90%的物种会灭绝，情况堪与地球45亿年历史中最严重的大规模灭绝匹敌。

The experimental results show that the arc unstable processes have many unsuccessful choppings, i. e. arc extinctions and reignitions.

截流前电弧不稳定过程中存在许多不成功截断，即许多次熄弧和熄弧后恢复电压导致的电弧重燃。

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

不过这并不是说，在这个被包裹的严严实实的生态系统中，就没有什么灭绝的事情发生。

If not for the mass extinctions of the past, we would likely not be here to talk about it.

如果不是因为过去的大灭绝，我们可能不会坐在这里来讨论这件事。

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。&

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！