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arthropods (plural form)
指整个类群时通常用复数形式。
Arthropods are the largest group of animals on Earth.
节肢动物是地球上最大的动物类群。
节肢动物
先理解核心含义，再看它在真实句子里的用法。
节肢动物
an invertebrate with a segmented body, jointed limbs, and an exoskeleton made of chitin
Arthropods are the largest group of animals on Earth.
节肢动物是地球上最大的动物类群。
节肢动物门的一种无脊椎动物,特征为具几丁质外骨骼和多节附肢。
An invertebrate animal of the phylum Arthropoda, characterized by a chitinous exoskeleton and multiple jointed appendages.
具有关节肢体和分节身体的无脊椎动物,外骨骼由几丁质构成
invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
An arthropod, such as a crab or a butterfly, has jointed legs and a segmented body.
像螃蟹或蝴蝶这样的节肢动物拥有分节的腿和分节的身体。
Many arthropods live in the soil and help break down dead leaves.
许多节肢动物生活在土壤中，帮助分解枯叶。
Scientists classify spiders as arthropods because they have jointed limbs.
科学家将蜘蛛归类为节肢动物，因为它们有关节的附肢。
指整个类群时通常用复数形式。
Arthropods are the largest group of animals on Earth.
节肢动物是地球上最大的动物类群。
用于泛指某个个体或类别中的一员。
An arthropod has an exoskeleton made of chitin.
节肢动物具有由几丁质构成的外骨骼。
名词作定语时用单数形式，如 arthropod species（节肢动物物种）。
Many arthropod fossils are extremely well preserved.
许多节肢动物化石保存得极为完好。
Not this
Arthropod is a kind of animal.
Use this
An arthropod is a kind of animal.
arthropod 是可数名词单数，不能单独作主语；需加不定冠词 an 表示“一个节肢动物”。
Not this
There are many arthropod in the forest.
Use this
There are many arthropods in the forest.
many 后接可数名词复数；arthropod 的复数形式是 arthropods，需加 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
节肢动物物种
The region is home to thousands of arthropod species.
该地区栖息着数千种节肢动物。
海洋节肢动物
Crabs are a well-known group of marine arthropods.
螃蟹是广为人知的一类海洋节肢动物。
节肢动物媒介
Mosquitoes are important arthropod vectors of disease.
蚊子是重要的疾病节肢动物媒介。
陆生节肢动物
Spiders are common terrestrial arthropods.
蜘蛛是常见的陆生节肢动物。
节肢动物外骨骼
The arthropod exoskeleton is made of chitin.
节肢动物的外骨骼由几丁质构成。
节肢动物化石
Paleontologists discovered an ancient arthropod fossil.
古生物学家发现了一块古老的节肢动物化石。
Use arthropod naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记住：arthro像“关节”，pod像“脚”，节肢动物就是关节连着脚。
语域：formal 常见场景：生物学教材、动物学文献、科普文章 该词为科学术语，通常用于生物学或动物学等专业语境，也常见于科普文章；日常口语中较少使用。
arthropods
Dictionary facts from ECDICT, WIKTIONARY.