polar

简明释义

英[ˈpəʊlə(r)]美[ˈpoʊlər]

adj. 极地的，来自极地的；截然不同的；磁极的；（天体）极性的，极地的；（细胞，器官，身体部分）极的；（液体，尤指溶剂）由偶极矩分子组成的；（固体）离子的；（几何）（球体）轴极的

n. （几何）极线；极光双子星

【名】 （Polar）（德、西）波拉尔（人名）

英英释义

单词用法

同义词

反义词

例句

1.Scientists have long suspected that several factors lead to greater temperature swings at Earth's polar regions than elsewhere.

长期以来，科学家们一直怀疑，有几个因素导致了地球极地地区比其他地区更大的温度波动。

2.On Wednesday, a polar wind brought bitter cold to the Midwest.

周三，一股极地风给中西部地区带来了刺骨的严寒。

3.Last week the scientists warned that a third of the world's polar bears could disappear in the next 40 years.

上周，科学家们警告说，世界上三分之一的北极熊可能会在未来40年里消失。

4.Scientists have long suspected that several factors lead to greater temperature swings at Earths polar regions than elsewhere.

长期以来，科学家们一直怀疑有几个因素导致了地球极地地区比其他地区更大的温度波动。

5.When snowfalls on high mountains or in polar regions, it may become part of the glacial system.

当雪落在高山或极地地区时，它可能成为冰川系统的一部分。

6.Biologists calculate that there are about 20,000-25,000 polar bears worldwide.

生物学家估计，全世界大概有2万至2万5千只北极熊。

7.There was a period of excessive warmth which melted some of the polar ice.

有段时期温度过高，融化了极地的部分冰层。

8.The polar vortex can bring severe cold to lower latitudes.

极地涡旋可能会给低纬度地区带来严寒。

9.Scientists study polar ice caps to understand climate change.

科学家研究极地冰盖以了解气候变化。

10.The polar regions are known for their extreme cold temperatures.

极地地区以其极端寒冷的温度而闻名。

11.During winter, the polar nights can last for months.

在冬季，极地夜晚可以持续数月。

12.The polar bear is an iconic species of the Arctic.

北极熊是北极的标志性物种。

作文

The term polar refers to anything related to the North and South Poles of the Earth. These regions are characterized by extreme cold, ice-covered landscapes, and unique ecosystems that have adapted to the harsh conditions. The polar regions are not just significant for their climate; they play a crucial role in the global environment. For instance, the melting of ice in the polar areas due to climate change has far-reaching consequences on sea levels and weather patterns worldwide.In addition to their environmental importance, the polar regions are home to fascinating wildlife. Animals such as polar bears, seals, and various species of penguins have adapted to survive in these frigid conditions. The adaptations of these creatures are a testament to nature's resilience and ability to thrive in even the most challenging environments. Scientists study these animals to understand better how climate change affects their habitats and behaviors, which can provide insights into the broader implications for global biodiversity.Moreover, the polar regions have been a subject of human interest for centuries. Explorers have ventured into these icy terrains seeking adventure and knowledge. The stories of their expeditions often highlight the beauty and danger of the polar landscapes. Today, tourism in polar regions has become increasingly popular, with people traveling to witness the breathtaking scenery and unique wildlife. However, this surge in tourism raises concerns about the environmental impact on these fragile ecosystems.The cultural significance of the polar regions cannot be overlooked either. Indigenous communities, such as the Inuit in the Arctic, have lived in harmony with the land for thousands of years. Their traditions and lifestyles are deeply intertwined with the polar environment, showcasing a profound understanding of nature and sustainability. As modern challenges arise, including climate change and resource exploitation, it is essential to recognize and respect the knowledge and rights of these indigenous peoples.In conclusion, the word polar encompasses a wide range of meanings and implications. From its geographical significance to its impact on wildlife and culture, the polar regions are vital to understanding our planet's health and future. As we face global challenges, it is crucial to protect these unique environments and learn from the lessons they offer. By doing so, we can ensure that the beauty and diversity of the polar regions endure for generations to come.

“polar”这个词指的是与地球的南北极相关的任何事物。这些地区的特点是极端寒冷、冰盖覆盖的景观以及适应恶劣条件的独特生态系统。polar地区不仅因其气候而重要；它们在全球环境中扮演着至关重要的角色。例如，由于气候变化，polar地区冰层的融化对全球海平面和天气模式产生深远影响。除了环境的重要性，polar地区还栖息着迷人的野生动物。北极熊、海豹和各种企鹅等动物已适应在这些寒冷条件下生存。这些生物的适应能力证明了自然的韧性和在最具挑战性的环境中蓬勃发展的能力。科学家们研究这些动物，以更好地理解气候变化如何影响它们的栖息地和行为，这可以为全球生物多样性的更广泛影响提供见解。此外，polar地区几个世纪以来一直是人类关注的主题。探险者们冒险进入这些冰冷的土地，寻求冒险和知识。他们探险的故事常常强调polar景观的美丽和危险。如今，前往polar地区的旅游变得越来越受欢迎，人们旅行以目睹令人惊叹的风景和独特的野生动物。然而，这一旅游热潮也引发了对这些脆弱生态系统环境影响的担忧。polar地区的文化意义也不容忽视。像北极的因纽特人这样的土著社区已经在这片土地上和谐生活了数千年。他们的传统和生活方式与polar环境密切相连，展示了对自然和可持续发展的深刻理解。随着现代挑战的出现，包括气候变化和资源开发，认识和尊重这些土著人民的知识和权利至关重要。总之，polar这个词包含了广泛的含义和影响。从其地理重要性到对野生动物和文化的影响，polar地区对理解我们星球的健康和未来至关重要。面对全球挑战时，保护这些独特环境并从它们所提供的教训中学习是至关重要的。通过这样做，我们可以确保polar地区的美丽和多样性能够延续给子孙后代。