krill

简明释义

英[krɪl]美[krɪl]

n. [无脊椎]磷虾

n. （Krill）人名；（英、德）克里尔

英英释义

单词用法

同义词

反义词

例句

1.The ocean contains huge amounts of tiny sea - animals called krill.

海洋拥有巨量的叫做鳞虾的小型动物。

2.Thousands of penguins have already died from a shortage of krill.

数千只企鹅因为磷虾匮乏已经死亡。

3.Krill spend their days in the depths of the sea, rising at night in what they believe to be the safety of darkness to snack on phytoplankton.

磷虾白天待在海洋深处，夜间浮到它们认为安全的暗处去吃浮游植物。

4.One type of plankton that seems to have great harvest possibilities is a tiny shrimp-like creature called krill.

一种似乎具有很大收获可能性的微小的虾状浮游生物被称为鳞虾。

5.After three weeks, the little krill has finished the ascent.

在三个星期以后，小的磷虾完成了上升。

6.Plankton is essentially anything living in water that is too small to swim against the current, including krill and algae.

浮游生物是生活在水中的一切，包括磷虾和藻类，它们小到不能逆流而行。

7.Scientists are studying the impact of climate change on krill (磷虾) populations in the Antarctic.

科学家们正在研究气候变化对南极磷虾（krill）种群的影响。

8.The whale's diet primarily consists of krill (磷虾), which are small crustaceans found in the ocean.

鲸鱼的饮食主要以磷虾（krill）为主，这是一种生活在海洋中的小型甲壳类动物。

9.In some cultures, krill (磷虾) is harvested for human consumption and used in various dishes.

在一些文化中，磷虾（krill）被捕捞用于人类消费，并用于各种菜肴中。

10.Many fish species rely on krill (磷虾) as a primary food source.

许多鱼类以磷虾（krill）作为主要食物来源。

11.The oil extracted from krill (磷虾) is rich in omega-3 fatty acids and is used as a dietary supplement.

从磷虾（krill）提取的油富含omega-3脂肪酸，常用作膳食补充剂。

作文

The ocean is a vast and mysterious place, home to a myriad of creatures, both large and small. Among these creatures are tiny shrimp-like animals known as krill (磷虾), which play a crucial role in the marine ecosystem. These small crustaceans are often overlooked, yet they are fundamental to the survival of many larger species, including whales, seals, and various fish. In this essay, we will explore the significance of krill (磷虾) in the oceanic food web, their unique biology, and the threats they face due to environmental changes.Firstly, krill (磷虾) serve as a primary food source for a variety of marine animals. They are abundant in polar regions, where they thrive in cold waters filled with phytoplankton. These tiny organisms consume phytoplankton, converting it into energy that supports the entire marine food chain. For instance, the blue whale, the largest animal on the planet, relies almost exclusively on krill (磷虾) for its diet. During feeding seasons, a single blue whale can consume up to four tons of krill (磷虾) each day. This relationship highlights the importance of krill (磷虾) not just for individual species, but for the health of the entire ocean ecosystem.Moreover, krill (磷虾) possess fascinating biological traits that allow them to thrive in their environments. They are bioluminescent, meaning they can produce light, which helps them evade predators in the deep ocean. Additionally, krill (磷虾) have a unique ability to adapt to varying environmental conditions, such as changes in temperature and salinity. This adaptability is crucial for their survival, especially in an era of climate change where ocean temperatures are rising and habitats are being altered.Despite their resilience, krill (磷虾) populations are under threat from human activities and climate change. Overfishing is a significant concern, as krill (磷虾) are harvested for use in aquaculture and as nutritional supplements for humans. Unsustainable fishing practices can lead to a decline in their populations, disrupting the food web and affecting larger marine animals that depend on them. Furthermore, climate change is altering the distribution of krill (磷虾) habitats. As ocean temperatures rise, the phytoplankton that krill (磷虾) feed on may also decline, leading to a decrease in krill (磷虾) populations.In conclusion, krill (磷虾) are essential players in the ocean's ecosystem, serving as a vital food source for many marine animals and contributing to the health of the ocean. Their unique adaptations allow them to thrive in challenging environments, but they are not immune to the threats posed by human activity and climate change. Protecting krill (磷虾) populations is crucial for maintaining the balance of marine life and ensuring the sustainability of our oceans. As stewards of the planet, it is our responsibility to advocate for sustainable practices that protect these small yet mighty creatures and the intricate web of life they support.

海洋是一个广阔而神秘的地方，栖息着无数大小不一的生物。在这些生物中，有一种小型的虾状动物被称为krill（磷虾），它们在海洋生态系统中扮演着至关重要的角色。这些小型甲壳类动物常常被忽视，但它们对许多大型物种的生存至关重要，包括鲸鱼、海豹和各种鱼类。在这篇文章中，我们将探讨krill（磷虾）在海洋食物链中的重要性、它们独特的生物学特征以及由于环境变化所面临的威胁。首先，krill（磷虾）作为多种海洋动物的主要食物来源。它们在极地地区丰富生存，在充满浮游植物的冷水中繁衍生息。这些微小的生物以浮游植物为食，将其转化为支持整个海洋食物链的能量。例如，蓝鲸，地球上最大的动物，几乎完全依赖krill（磷虾）为食。在捕食季节，一只蓝鲸每天可以消耗多达四吨的krill（磷虾）。这种关系突显了krill（磷虾）对个体物种及整个海洋生态健康的重要性。此外，krill（磷虾）具有迷人的生物特征，使它们能够在其环境中茁壮成长。它们具有生物发光的能力，这意味着它们可以产生光，从而帮助它们在深海中躲避捕食者。此外，krill（磷虾）具有独特的适应能力，能够适应温度和盐度等不同的环境条件。这种适应性对它们的生存至关重要，尤其是在气候变化的时代，海洋温度上升和栖息地发生改变。尽管具有韧性，krill（磷虾）种群仍然面临人类活动和气候变化带来的威胁。过度捕捞是一个重大问题，因为krill（磷虾）被用于水产养殖和作为人类营养补充品。不可持续的捕捞方式可能导致它们的种群减少，从而破坏食物链，影响依赖它们的更大型海洋动物。此外，气候变化正在改变krill（磷虾）栖息地的分布。随着海洋温度的上升，krill（磷虾）所需的浮游植物也可能减少，导致krill（磷虾）种群的下降。总之，krill（磷虾）是海洋生态系统中不可或缺的角色，作为许多海洋动物的重要食物来源，并促进海洋的健康。它们独特的适应能力使它们能够在严酷的环境中生存，但它们并非不受人类活动和气候变化威胁的影响。保护krill（磷虾）种群对于维持海洋生命的平衡和确保我们海洋的可持续性至关重要。作为地球的守护者，我们有责任倡导可持续的实践，以保护这些小而强大的生物及其所支持的复杂生命网。