mastodon

简明释义

英[ˈmæstədɒn]美[ˈmæstəˌdɑːn]

n. [古生] 乳齿象；庞然大物

adj. 巨大的；庞大的

英英释义

单词用法

同义词

反义词

例句

1.Isn't the mastodon from the Pliocene Epoch?

乳齿象不是上新世的吗？

2.The rib containing the spear point was part of a collection of mastodon remains unearthed in the late 1970s.

这一含有长矛尖的肋骨来自一批20世纪70年代后期采集出来的乳齿象遗骸。

3.Although mastodon mitochondrial DNA has been sequenced before, the researchers say they were the first to do the analysis on DNA from the cell nucleus - in this case, using material from a tooth.

尽管此前已完成了美洲乳齿象的线粒体dna测序，研究者表示他们还首次实现了对细胞核dna的测序-在本例中使用的材料来自牙齿。

4.The mammoths should not be confused with the American mastodon (Mammut americanum), another ancient elephant from North and Central America.

猛犸应该不会与生活在北美洲和中美洲的另一种古象——美洲乳齿象相混淆（Mammutamericanum）。

5.While she sits at home trying to get the mastodon smell out of the carpet!

而她却待家里设法去除地毯上乳齿象的味道！

6.She says they were only made for scenery-like the rhinoceros and the mastodon...

她说，是为了观赏——这就像犀牛的乳齿也因此而被创造出来一样。

7.Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.

如今，利用放射性碳素测定年代法，科学家已确定这一用乳齿象牙雕刻而成的长矛尖端的精确年代。

8.The researchers say they have also done the first nuclear genetic analysis of the American mastodon.

研究人员说他们已经完成了首个美洲乳齿象的细胞核遗传学分析。

9.Scientists believe that climate change contributed to the extinction of the mastodon 猛犸象 species.

科学家们认为气候变化导致了猛犸象物种的灭绝。

10.The discovery of a complete mastodon 猛犸象 skeleton was a significant event for paleontologists.

一具完整的猛犸象骨架的发现对古生物学家来说是一个重要事件。

11.Children were fascinated by the story of the mastodon 猛犸象 and its habitat during the Ice Age.

孩子们对冰河时代猛犸象及其栖息地的故事感到着迷。

12.The mastodon 猛犸象 is often confused with the woolly mammoth due to their similar appearances.

由于外貌相似，猛犸象常常与毛发浓密的猛犸象混淆。

13.In the museum, we saw a life-size replica of a mastodon 猛犸象 that roamed North America thousands of years ago.

在博物馆里，我们看到了一个生活大小的猛犸象复制品，它在数千年前游荡在北美。

作文

The world of paleontology is filled with fascinating creatures that once roamed the Earth, and one such creature is the mastodon. The mastodon was a large, elephant-like mammal that lived during the late Miocene to the end of the Pleistocene epoch. It is often confused with its close relative, the woolly mammoth, but there are significant differences between the two species. The mastodon had a stockier build, shorter legs, and teeth that were adapted for browsing on shrubs and trees rather than grazing on grass. This adaptation indicates that the mastodon thrived in forested environments, unlike the more open grasslands preferred by the woolly mammoth.Fossils of the mastodon have been found across North America, Europe, Asia, and parts of Africa, showcasing its wide distribution during its time. These fossils provide critical insights into the climate and environment of the periods in which they lived. The discovery of mastodon remains has also shed light on the interactions between these creatures and early humans. Archaeological findings suggest that prehistoric peoples hunted mastodons for their meat and used their bones for tools and shelter.The extinction of the mastodon around 10,000 years ago has been attributed to a combination of climate change and human activity. As the Ice Age came to an end, many habitats changed drastically, leading to a decline in the mastodon's food sources. At the same time, the arrival of humans in North America likely increased hunting pressure on the mastodon, contributing to its eventual extinction. This event serves as a reminder of how interconnected species are with their environment and how human actions can have profound impacts on wildlife.Today, the mastodon is not only a subject of scientific study but also a symbol of the rich history of life on Earth. Museums around the world display mastodon fossils, allowing visitors to connect with a time long before humans walked the planet. In addition, the mastodon has become a popular figure in culture, appearing in literature, documentaries, and even video games. This fascination with the mastodon highlights our innate curiosity about the past and the creatures that once inhabited it.In conclusion, the mastodon is more than just an ancient animal; it represents a crucial part of Earth's history and the ever-changing dynamics of life on our planet. Understanding the mastodon helps us appreciate the complexity of ecosystems and the importance of conserving the biodiversity we still have today. As we continue to explore our planet's past, the mastodon will undoubtedly remain a key player in the story of evolution and extinction, reminding us of the delicate balance that exists within nature.

古生物学的世界充满了曾经在地球上漫游的迷人生物，其中一种生物是猛犸象。猛犸象是一种大型的、类似于大象的哺乳动物，生活在晚中新世到更新世末期。它常常与其近亲——毛茸茸的猛犸象混淆，但这两种物种之间存在显著差异。猛犸象体型更为粗壮，腿短，牙齿适应于以灌木和树木为食，而不是以草为食。这种适应表明，猛犸象在森林环境中繁荣生长，而不是更开阔的草原，这是毛茸茸的猛犸象所偏爱的。猛犸象的化石已在北美、欧洲、亚洲和非洲的部分地区被发现，展示了它在其生存时期的广泛分布。这些化石为我们提供了关于它们生活的时期的气候和环境的重要见解。猛犸象遗骸的发现还揭示了这些生物与早期人类之间的相互作用。考古发现表明，史前人类狩猎猛犸象以获取肉类，并利用其骨骼制作工具和庇护所。猛犸象在大约一万年前的灭绝被归因于气候变化和人类活动的结合。随着冰河时代的结束，许多栖息地发生了剧烈变化，导致猛犸象的食物来源减少。与此同时，人类在北美的出现可能增加了对猛犸象的捕猎压力，促成了其最终灭绝。这一事件提醒我们物种与其环境之间的相互联系，以及人类行为对野生动物的深远影响。如今，猛犸象不仅是科学研究的主题，也是地球丰富历史的象征。世界各地的博物馆展示猛犸象化石，让游客能够与人类尚未走过的时代建立联系。此外，猛犸象已成为文化中的一个流行形象，出现在文学、纪录片甚至视频游戏中。这种对猛犸象的迷恋突显了我们对过去和曾经栖息于此的生物的与生俱来的好奇心。总之，猛犸象不仅仅是一种古老的动物；它代表了地球历史的重要组成部分以及生命在我们星球上不断变化的动态。理解猛犸象有助于我们欣赏生态系统的复杂性以及保护我们仍然拥有的生物多样性的重要性。随着我们继续探索地球的过去，猛犸象无疑将继续在进化和灭绝的故事中扮演关键角色，提醒我们自然界中存在的微妙平衡。