nekton

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
nekton 指海洋或淡水生态系统中能够自主游泳的动物,如鱼类、鲸类、海龟等,与随波逐流的浮游生物相对。

用法要点

句型搭配

nekton 通常作为名词使用,在句子中作主语或宾语,描述海洋生物的分类。常见于科学或生态学语境,强调其自主运动能力。

• The nekton includes fish and whales.
• Nekton are important predators in the ocean.
• Scientists study nekton to understand marine ecosystems.

介词用法

nekton 常与介词 'in' 或 'of' 连用,表示在特定水域中的自泳动物群体,如 'nekton in the ocean' 或 'nekton of the deep sea'。

• Nekton in coastal areas face pollution threats.
• The diversity of nekton in tropical waters is high.
• Nekton of the open ocean migrate long distances.

语域说明

nekton 是专业术语,主要用于生物学、海洋学、生态学等学术领域,日常对话中较少使用,普通交流时可用 'swimming animals' 或具体动物名称代替。

• In academic papers, nekton is a key concept.
• For general discussion, say 'fish and other swimmers' instead of nekton.
• Nekton is rarely used in casual conversation.

基础例句

When snorkeling, I saw lots of nekton like fish and turtles swimming around.

浮潜时,我看到很多自泳动物,比如鱼和海龟,在周围游动。

The aquarium has an exhibit on nekton, showing how they move independently in water.

水族馆有一个关于自泳动物的展览,展示它们如何在水里自主游动。

In our science class, we learned that nekton are different from plankton because they can swim against currents.

在科学课上,我们学到自泳动物与浮游生物不同,因为它们能逆流游泳。

If you go to the beach, you might spot some nekton such as dolphins or sharks in the distance.

如果你去海滩,可能会在远处看到一些自泳动物,比如海豚或鲨鱼。

高级例句

Marine biologists use sonar to track nekton populations and assess their role in oceanic food webs.

海洋生物学家使用声纳追踪自泳动物种群,评估它们在海洋食物网中的作用。

Climate change impacts nekton distribution, leading to shifts in species ranges and ecosystem dynamics.

气候变化影响自泳动物的分布,导致物种范围变化和生态系统动态调整。

In fisheries management, understanding nekton behavior is crucial for sustainable harvesting and conservation efforts.

在渔业管理中,理解自泳动物的行为对于可持续捕捞和保护工作至关重要。

The research paper analyzes nekton diversity in coral reefs, highlighting their importance for biodiversity and reef health.

这篇研究论文分析了珊瑚礁中自泳动物的多样性,强调了它们对生物多样性和珊瑚礁健康的重要性。

高频搭配

verb

study nektonobserve nektonclassify nektonprotect nektonmonitor nekton

adjective

marine nektonfreshwater nektonpelagic nektondiverse nektonabundant nekton

noun

nekton communitynekton speciesnekton biomassnekton distributionnekton ecology

adverb

actively nektonwidely nektonprimarily nekton

preposition

nekton in the oceannekton of the seanekton with plankton

phrase

nekton and planktonnekton in ecosystemsnekton as predators

常见错误

❌ 错误:The nekton is swimming in the water.
✓ 正确:Nekton are swimming in the water.

nekton 是集体名词,通常作为复数使用,指一类动物,所以动词要用复数形式 'are',而不是单数 'is'。

❌ 错误:I saw a nekton at the aquarium.
✓ 正确:I saw some nekton at the aquarium.

nekton 是不可数名词,不指单个动物,而是群体概念,所以要用 'some' 或具体数量词如 'a group of nekton',而不是 'a nekton'。

近义词辨析

plankton

plankton 指浮游生物,不能自主游泳,随水流移动;而 nekton 指自泳动物,能主动游动。两者常一起讨论,但功能不同。

Plankton drift with currents, while nekton swim against them.

benthos

benthos 指底栖生物,生活在海底或水体底部;nekton 则在水体中自由游动,不限于底部。两者都是水生生物分类,但栖息地不同。

Benthos include crabs on the seafloor, whereas nekton like fish swim in the water column.