hammerhead

简明释义

英[ˈhæməhed]美[ˈhæmərhed]

n. 锤头；笨蛋

adj. 锤头状的；鲁钝的

英英释义

单词用法

同义词

反义词

例句

1.Shark Numbers can become depleted very quickly because they take a long time to mature - 16 years in the case of a scalloped hammerhead.

由于鲨鱼的成熟期很长，比如一头双髻鲨就需要16年，因此它们的总数很容易枯竭。

2.I also learned that some of the biggest sharks are not carnivores, so they don't attack like the really vivious ones, like Great White sharks or Hammerhead sharks.

我也知道了最大型的鳌鱼中，有些并非食肉性动物，不会像穷凶恶极的大白笙或双髻鳌一样具有攻击性。

3.The disadvantages of twin-box single cross hammerhead sections of cable-stayed bridge were also indicated. By the result, the optimum measures were proposed.

归纳出斜拉桥中此类双箱单室倒梯形截面的应力分布特点及薄弱环节，并提出优化措施。

4.Objective to detect the cleavage activity of Giardia Canis virus (GCV) transfer vector-mediated hammerhead ribozyme for KRR1 in vitro transcript.

目的检测犬贾第虫病毒介导的锤头状核酶对犬贾第虫滋养体核仁功能性蛋白krr1基因体外转录体切割效率。

5.The other end of the hammerhead is linked with a cable or an oil pipe.

枪头另一端与电缆或油管联结。

6.Hammerhead is a stress test tool designed to test Web servers.

Hammerhead是一个设计用于测试Web服务器的压力测试工具。

7.The diver was thrilled to spot a large hammerhead shark swimming gracefully beneath the waves.

潜水员很高兴看到一只大型锤头鲨鱼在波浪下优雅地游动。

8.The documentary featured a stunning close-up of a hammerhead shark hunting in the coral reefs.

这部纪录片展示了锤头鲨鱼在珊瑚礁中捕猎的惊人特写镜头。

9.Scientists are studying the behavior of the hammerhead to understand its migration patterns.

科学家们正在研究锤头的行为，以了解它的迁徙模式。

10.The fisherman caught a hammerhead shark during his trip, which he released back into the water.

渔民在他的旅行中捕到了一只锤头鲨鱼，他把它放回水中。

11.In the ocean, the unique shape of the hammerhead head helps it to locate prey more effectively.

在海洋中，锤头的独特形状帮助它更有效地定位猎物。

作文

The ocean is a vast and mysterious place, home to countless species of marine life. Among these creatures, the hammerhead shark stands out due to its unique appearance and fascinating behaviors. The hammerhead shark, known for its distinctive flattened head that resembles a hammer, is not only an intriguing predator but also plays a vital role in the ecosystem. This essay will explore the characteristics, hunting strategies, and conservation status of the hammerhead shark, highlighting its importance in marine biodiversity.First and foremost, the physical characteristics of the hammerhead shark are remarkable. There are several species of hammerhead sharks, including the great hammerhead, smooth hammerhead, and scalloped hammerhead. Each species has its own unique features, but they all share the iconic hammer-shaped head. This unusual shape is not just for show; it provides the hammerhead with enhanced sensory capabilities. The wide-set eyes give the shark a better field of vision, allowing it to spot prey from a distance. Moreover, the head's structure improves its ability to detect electrical signals emitted by potential prey, making it an efficient hunter.In terms of behavior, hammerhead sharks are known for their social nature. Unlike many other shark species that prefer solitude, hammerhead sharks often gather in schools, especially during mating season. These schools can consist of dozens or even hundreds of individuals, providing safety in numbers against larger predators. The social dynamics within these groups are complex, with hierarchies and interactions that scientists are still trying to fully understand. Observing these interactions can provide valuable insights into the social structures of marine animals.When it comes to hunting, the hammerhead shark employs a variety of strategies. They primarily feed on fish, squid, and other small marine creatures. One effective technique used by hammerhead sharks is called 'cooperative hunting.' In this behavior, several sharks work together to corral schools of fish, making it easier for them to catch their prey. This method not only showcases their intelligence but also highlights the importance of teamwork in the animal kingdom.Despite their fascinating attributes, hammerhead sharks face numerous threats in the wild. Overfishing, habitat loss, and the demand for shark fins have led to a significant decline in their populations. Many species of hammerhead sharks are now listed as endangered or vulnerable by various conservation organizations. Protecting these magnificent creatures requires global cooperation and awareness. Efforts such as establishing marine protected areas and enforcing sustainable fishing practices are crucial for ensuring the survival of hammerhead sharks and maintaining the health of marine ecosystems.In conclusion, the hammerhead shark is a remarkable species that deserves our attention and protection. Its unique physical characteristics, social behaviors, and hunting strategies make it a fascinating subject for study. However, the threats it faces highlight the urgent need for conservation efforts. By understanding and appreciating the role of the hammerhead shark in the ocean, we can contribute to the preservation of marine biodiversity and ensure that future generations can continue to marvel at these incredible creatures.

海洋是一个广阔而神秘的地方，栖息着无数种海洋生物。在这些生物中，锤头鲨因其独特的外观和迷人的行为而脱颖而出。锤头鲨以其扁平的头部而闻名，这种形状类似于锤子，不仅是一种引人入胜的掠食者，而且在生态系统中扮演着重要角色。本文将探讨锤头鲨的特征、捕猎策略和保护现状，突显它在海洋生物多样性中的重要性。首先，锤头鲨的身体特征非常显著。有几种锤头鲨，包括大锤头鲨、光滑锤头鲨和扇形锤头鲨。每种物种都有自己独特的特征，但它们都共享标志性的锤形头部。这种奇特的形状不仅仅是为了展示；它为锤头鲨提供了增强的感官能力。宽阔的眼睛使得鲨鱼拥有更好的视野，可以远距离发现猎物。此外，头部的结构提高了它检测潜在猎物释放的电信号的能力，使其成为高效的捕猎者。在行为方面，锤头鲨以其社会性而闻名。与许多其他喜欢孤独的鲨鱼物种不同，锤头鲨通常在一起聚集，尤其是在交配季节。这些学校可以由几十甚至数百个个体组成，提供了数量上的安全，对抗更大的掠食者。这些群体内的社会动态是复杂的，具有等级制度和互动，科学家们仍在努力完全理解这些行为。观察这些互动可以提供有关海洋动物社会结构的宝贵见解。在捕猎方面，锤头鲨采用多种策略。它们主要以鱼类、鱿鱼和其他小型海洋生物为食。一种有效的技术是“合作捕猎”。在这种行为中，几只鲨鱼共同努力，将鱼群围住，使捕捉猎物变得更加容易。这种方法不仅展示了它们的智力，还突显了团队合作在动物王国中的重要性。尽管有着迷人的特征，锤头鲨在野外面临许多威胁。过度捕捞、栖息地丧失以及对鲨鱼鳍的需求导致它们的种群显著下降。许多种类的锤头鲨现在被各种保护组织列为濒危或易危物种。保护这些壮丽生物需要全球的合作和意识。建立海洋保护区和执行可持续渔业实践等努力对于确保锤头鲨的生存和维护海洋生态系统的健康至关重要。总之，锤头鲨是一种值得我们关注和保护的杰出物种。其独特的身体特征、社会行为和捕猎策略使其成为研究的迷人主题。然而，它面临的威胁突显了保护工作的重要性。通过理解和欣赏锤头鲨在海洋中的角色，我们可以为保护海洋生物多样性做出贡献，确保未来几代人能够继续惊叹于这些令人难以置信的生物。