piranha

简明释义

英[pɪˈrɑːnə]美[pəˈrænə]

n. 水虎鱼（产于南美的一种小鱼）

复 数 p i r a n h a s 或 p i r a n h a

英英释义

单词用法

同义词

反义词

例句

1.They dropped a microphone into a piranha tank that, at different times, held three groups of 10 fish.

在不同时段，科学家们把麦克风放在食水鱼水箱中，这个水箱中有10条食人鱼，它们为分3组。

2.I liked to think of myself as a grown man, but consternation was eating away at my bravado like a starved piranha devouring its prey.

我那时喜欢把自己看作是一个大人，但惊恐慌乱就像一条饥肠辘辘的食人鱼吞食猎物一般，渐渐攻破了我的虚张声势。

3."The red-bellied pacu is the cousin of a very well-known fish that terrorizes swimmers in made-for-TV movies and on the big screen: the piranha," notes the Discovery channel.

《探索发现》频道称，“红腹帕库食人鱼是比拉食人鱼的近亲，比拉食人鱼非常有名，在电视电影中和大银幕电影中让游泳者感到恐怖。”

4.When they circled one another, they made a softer thud sound. [piranha audio type 2]

当食人鱼开始对抗争夺猎物时，它们发出撞击式的声音。[食人鱼音频类型之一]。

5.The notoriously voracious piranha lives only in the rivers of South America, primarily the Amazon and Orinoco .

众所周知贪婪的食人鱼仅生活在南美的河流，主要是亚马逊河和奥里诺科河。

6.Main products are LED lights, LED track lights, LED lights and LED lines Buried lights, decorations, etc. piranha module product line.

主营产品有LED装饰灯、LED轨道灯、LED线条灯及LED埋地灯、食人鱼模组等装饰系列产品。

7.I say, instead of mailing the bonus checks to their houses, we put rocks on them and we put them at the bottom of an enormous piranha tank.

我的办法是，不要将奖金支票邮寄到他们的家里，我们把奖金支票绑在石块上，再将石块沉在一个巨大的水虎鱼鱼缸的底部。

8.The legend of the piranha has made it a popular subject in horror movies.

关于食人鱼的传说使其成为恐怖电影中的热门主题。

9.The piranha is known for its sharp teeth and aggressive behavior.

这种食人鱼以其锋利的牙齿和攻击性行为而闻名。

10.A documentary showed how piranhas hunt in packs to catch their prey.

一部纪录片展示了食人鱼如何成群捕猎猎物。

11.Some people believe that piranhas are more dangerous than they actually are.

有些人认为食人鱼比实际更危险。

12.In the Amazon River, you can find many species of piranha swimming in schools.

在亚马逊河中，你可以发现许多种类的食人鱼成群游动。

作文

The Amazon rainforest is home to a diverse range of wildlife, including the infamous piranha (食人鱼). Known for their sharp teeth and aggressive feeding habits, piranhas are often portrayed in movies and media as fearsome predators. However, there is much more to these fascinating fish than their reputation suggests. In this essay, I will explore the characteristics, behavior, and ecological role of piranhas, shedding light on their importance in the ecosystem of the Amazon River basin.Firstly, piranhas belong to the family Serrasalmidae and are primarily found in the freshwater rivers and lakes of South America. There are several species of piranhas, each with its own unique traits. Most notably, the red-bellied piranha (红腹食人鱼) is recognized for its vibrant coloration and is often the species that comes to mind when people think of these fish. They typically grow to about 12 to 24 inches in length, but some individuals can reach up to 30 inches. Their bodies are laterally compressed, which allows them to maneuver quickly through the water, making them efficient hunters.Secondly, the diet of piranhas is quite varied. While they are famous for their carnivorous tendencies, often depicted as fierce meat-eaters, they are actually omnivorous. In the wild, piranhas feed on fruits, seeds, insects, and smaller fish. During the dry season, when food is scarce, they may even consume plant material. This adaptability in their diet plays a crucial role in their survival and helps maintain the balance of the aquatic ecosystem.Moreover, the social behavior of piranhas is intriguing. Contrary to popular belief, they do not always hunt in large packs. While they can be found in groups, especially during breeding seasons, they also exhibit solitary behavior. When in schools, piranhas rely on their numbers for protection against larger predators, such as caimans and river dolphins. This social structure allows them to thrive in their natural habitat, demonstrating their adaptability and resilience.Furthermore, piranhas play a significant role in the ecosystem of the Amazon. As both predator and prey, they contribute to the food web. By controlling the population of smaller fish, piranhas help maintain a balanced environment. Additionally, their feeding habits aid in the decomposition of organic matter, promoting nutrient cycling within the aquatic ecosystem. This highlights the importance of piranhas not just as individual species, but as integral components of their habitat.In conclusion, while the piranha (食人鱼) may be feared due to its reputation, it is essential to understand its ecological significance and behavioral traits. These fish are not just ruthless killers; they are complex creatures that play a vital role in their environment. By appreciating the true nature of piranhas, we can foster a greater respect for the biodiversity of the Amazon rainforest and the delicate balance of its ecosystems. Education and awareness about such species are crucial for conservation efforts, ensuring that future generations can witness the beauty and complexity of life in the Amazon.

亚马逊雨林是众多野生动物的家园，包括臭名昭著的食人鱼（piranha）。因其锋利的牙齿和攻击性觅食习性而闻名，食人鱼常常在电影和媒体中被描绘成可怕的掠食者。然而，这些迷人的鱼类远比它们的声誉所暗示的要复杂得多。在这篇文章中，我将探讨食人鱼的特征、行为和生态角色，阐明它们在亚马逊河流域生态系统中的重要性。首先，食人鱼属于Serrasalmidae科，主要分布在南美洲的淡水河流和湖泊中。有几种食人鱼，每种都有其独特的特征。最著名的是红腹食人鱼（red-bellied piranha），因其鲜艳的颜色而受到认可，通常是人们想到这些鱼时脑海中浮现的物种。它们通常长约12到24英寸，但有些个体可以达到30英寸。它们的身体侧扁，使它们能够快速在水中灵活游动，使它们成为高效的猎手。其次，食人鱼的饮食相当多样。虽然它们以肉食性倾向而闻名，常被描绘为凶猛的肉食者，但实际上它们是杂食性的。在野外，食人鱼以水果、种子、昆虫和小鱼为食。在干季，当食物稀缺时，它们甚至可能会消耗植物材料。这种饮食上的适应性在它们的生存中发挥着至关重要的作用，并有助于维持水生生态系统的平衡。此外，食人鱼的社会行为也很有趣。与普遍看法相反，它们并不总是成群捕猎。虽然它们可以在繁殖季节时成群出现，但它们也表现出独居行为。当在学校中时，食人鱼依靠数量来保护自己免受更大掠食者如凯门鳄和河豚的攻击。这种社会结构使它们能够在自然栖息地中繁荣发展，展示了它们的适应性和韧性。此外，食人鱼在亚马逊生态系统中扮演着重要角色。作为捕食者和猎物，它们对食物链做出了贡献。通过控制小鱼的数量，食人鱼帮助维持环境的平衡。此外，它们的觅食习惯有助于有机物的分解，促进水生生态系统中的养分循环。这突显了食人鱼不仅作为单一物种的重要性，而且作为其栖息地不可或缺的组成部分。总之，虽然食人鱼（piranha）可能因其声誉而令人畏惧，但理解其生态重要性和行为特征至关重要。这些鱼类不仅仅是无情的杀手；它们是复杂的生物，在其环境中发挥着重要作用。通过欣赏食人鱼的真实本质，我们可以培养对亚马逊雨林生物多样性及其生态系统微妙平衡的更大尊重。关于此类物种的教育和意识对于保护工作至关重要，确保未来几代人能够见证亚马逊生命的美丽和复杂性。