tern

简明释义

英[tɜːn]美[tɜːrn]

n. 燕鸥；三个一组

adj. 三个一套的

n. （Tern）人名；（瑞典、德）特恩

复 数 t e r n s

英英释义

单词用法

同义词

反义词

例句

1.Local gulls will dive voraciously for such handouts, while the tern flies on.

本地鸥会贪婪地冲向这些施舍，而北极燕鸥却会继续往前飞。

2.When they get a tern or pelican to drop a fish, they plunge down and grab it off the surface of the water, which may have been how this bird got oiled.

当他们让一只燕鸥或鹈鹕扔下一条鱼时，他们会一头栽到水里，然后把鱼从水面抓起来，这可能就是这只鸟被油弄脏的原因。

3.A citizen watchdog group wants an investigation into the three-tern senator.

一个市民监督团希望对这位任职三届的参议员进行调查。

4.These characteristics would influence the pat-tern and regeneration of Abies fargesii population.

这些特征将影响到巴山冷杉种群的分布格局和种群更新。

5.This tiny tern chick bit off more than he could chew after trying to swallow his enormous fish supper in one gulp…

这只燕鸥小宝宝想把它的晚餐一口吞下去，可是这一口咬得太大，根本吞不下…

6.The spring tern begins on monday of this week.

春学期在这星期的星期一开始。

7.A variety of seabirds and shorebirds inhabit the islands, including the endangered brown pelican, least tern, and piping plover.

岛上栖息着各种各样的海鸟和滨鸟，包括濒危的褐鹈鹕、最小燕鸥和笛鸻。

8.The general pat-tern is rather similar to the result calculated by using the rawin data.

将其与用气象站测风所计算的结果相比较，发现它们的基本形势是一致的。

9.Drawing style is the naturally expression of artist's inner spirit which cultivated in a long-tern practice.

面貌是画家在长期实践中内在精神的自然流露。

10.During our beach trip, we spotted a tern diving for fish.

在我们的海滩旅行中，我们看到一只海鸥在潜水捕鱼。

11.The tern is known for its graceful flight over the ocean.

这只海鸥以其优雅的飞行而闻名于海洋上空。

12.The tern built its nest on the sandy shore.

这只海鸥在沙滩上筑了巢。

13.The black-capped tern is a common sight in coastal areas.

黑顶海鸥在沿海地区是常见的景象。

14.We took a boat tour to see the migrating terns along the coast.

我们参加了一次船游，去观察沿海迁徙的海鸥。

作文

The beauty of nature is often reflected in the diverse species that inhabit our planet. One such fascinating creature is the tern, a migratory bird known for its graceful flight and striking appearance. Terns belong to the family Sternidae, which includes over 40 species found all around the world. They are typically medium-sized birds with long wings and pointed beaks, making them excellent hunters of fish and other small marine creatures. Their ability to dive into the water with precision is truly remarkable, showcasing their adaptability to various environments. In coastal areas, one can often see terns gliding effortlessly above the waves, searching for their next meal. These birds are not only beautiful but also play a crucial role in maintaining the health of marine ecosystems. By controlling fish populations, terns help ensure a balanced food web. Additionally, their presence indicates a healthy environment, as they are sensitive to changes in their habitat. One of the most notable species is the Arctic tern (Sterna paradisaea), famous for its incredible migration journey. It travels from its breeding grounds in the Arctic to wintering areas in the Antarctic, covering distances of up to 71,000 kilometers (44,000 miles) each year. This extraordinary journey is a testament to the resilience and determination of these birds. Observing an Arctic tern in flight, with its elegant wings outstretched against the backdrop of a clear blue sky, is a sight that many birdwatchers cherish. Moreover, terns exhibit interesting social behaviors. They are often seen in large colonies, especially during breeding season. These colonies provide safety in numbers, allowing them to protect their nests from predators. The communication among terns is quite vocal, with various calls used to alert others of danger or to attract mates. This social aspect adds another layer of intrigue to their already captivating lives. Unfortunately, many species of terns face threats due to habitat loss, climate change, and pollution. Coastal development and human activities have significantly impacted their nesting sites, leading to declines in their populations. Conservation efforts are essential to protect these beautiful birds and their habitats. Organizations around the world are working to raise awareness about the importance of preserving the natural environments where terns thrive. In conclusion, the tern is more than just a bird; it is a symbol of the delicate balance of our ecosystems. Its elegance in flight, remarkable migration patterns, and social behaviors make it a subject of fascination for many. As we continue to explore and appreciate the wonders of nature, it is vital to recognize our responsibility in protecting species like the tern. By taking action to conserve their habitats, we can ensure that future generations will also have the opportunity to witness the beauty of these magnificent birds in the wild.

大自然的美丽常常体现在栖息在我们星球上的多样物种中。其中一种迷人的生物是海鸥，它是一种以优雅的飞行和引人注目的外观而闻名的迁徙鸟类。海鸥属于海鸥科（Sternidae），该科包括世界各地的40多种鸟类。它们通常是中等大小的鸟，具有长翅膀和尖嘴，使它们成为优秀的鱼类和其他小型海洋生物猎手。它们能够精准地潜入水中捕食，展示了它们对各种环境的适应能力。在沿海地区，人们常常可以看到海鸥在波浪上方轻盈地滑翔，寻找下一餐。这些鸟不仅美丽，而且在维持海洋生态系统的健康方面发挥着至关重要的作用。通过控制鱼类种群，海鸥帮助确保食物链的平衡。此外，它们的存在表明环境健康，因为它们对栖息地的变化非常敏感。最引人注目的物种之一是北极海鸥（Sterna paradisaea），因其令人难以置信的迁徙旅程而闻名。它从北极的繁殖地迁徙到南极的越冬区，每年覆盖的距离可达71,000公里（44,000英里）。这一非凡的旅程证明了这些鸟类的韧性和决心。观察北极海鸥在空中飞翔，翅膀优雅地展开，背景是蔚蓝的天空，是许多鸟类观察者所珍视的景象。此外，海鸥表现出有趣的社会行为。尤其在繁殖季节，它们经常成群结队地出现。这些群落提供了数量上的安全感，使它们能够保护自己的巢穴免受掠食者的侵害。海鸥之间的交流相当活跃，各种叫声用于警告他人危险或吸引配偶。这一社会特征为它们已经迷人的生活增添了另一层魅力。不幸的是，许多海鸥物种面临着栖息地丧失、气候变化和污染等威胁。沿海开发和人类活动对它们的巢址产生了重大影响，导致它们的种群下降。保护工作对于保护这些美丽的鸟类及其栖息地至关重要。全球各地的组织正在努力提高人们对保护海鸥栖息地重要性的认识。总之，海鸥不仅仅是一种鸟；它是我们生态系统微妙平衡的象征。它在飞行中的优雅、显著的迁徙模式和社会行为使其成为许多人所着迷的对象。当我们继续探索和欣赏大自然的奇观时，必须认识到我们在保护像海鸥这样的物种方面的责任。通过采取行动保护它们的栖息地，我们可以确保未来的世代也有机会在野外见证这些宏伟鸟类的美丽。