Word · Frequency #28782
nematodes
线虫
nematodes is the plural of nematode.
核心释义
a slender, unsegmented worm with a rounded body that tapers at both ends; most are free-living, though some are parasitic
- 1.
线虫动物门的大型蠕虫,如蛔虫或线虫。
A worm of the large phylum Nematoda, such as a roundworm or threadworm.
- 2.
身体细长呈圆筒状、两端尖锐的无节蠕虫;多为自由生活,部分为寄生
unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
线虫动物门的大型蠕虫,如蛔虫或线虫。;身体细长呈圆筒状、两端尖锐的无节蠕虫;多为自由生活,部分为寄生
用法In use
The gardener found a tiny nematode in the soil sample and examined it under a magnifying glass.
用法提示:此句中 nematode 作可数名词,单数形式,指线虫。
Some nematodes live freely in damp earth, while others feed on plant roots.
用法提示:nematodes 是名词复数形式,指多种线虫。
In our biology class, we compared a nematode with an earthworm to see how their bodies differ.
用法提示:nematode 作名词,单数形式,在此句中作为被比较的对象之一。
nematodes + be + complement
nematode 是规则可数名词,复数形式为 nematodes。
Most nematodes are free-living, but some are parasitic.
大多数线虫是自由生活的,但有些是寄生的。
a species of + noun
相关词与表达Connections
搭配Collocations
- soil nematode
- 土壤线虫
- Soil nematodes are among the most abundant animals on Earth.土壤线虫是地球上数量最多的动物之一。
- plant-parasitic nematode
- 植物寄生线虫
- These plant-parasitic nematodes feed on the roots of cereal crops.这些植物寄生线虫以谷类作物的根为食。
- root-knot nematode
- 根结线虫
- Root-knot nematodes cause characteristic galls on tomato roots.根结线虫会使番茄根部形成特征性的根结。
- entomopathogenic nematode
- 昆虫病原线虫
- Entomopathogenic nematodes are applied to soil to control insect pests.昆虫病原线虫被施用到土壤中以防治害虫。
- nematode infection
学习提示Learner notes
记忆技巧Memory Tip
nematode(线虫):词头 nema- 联想成“线”,它身体细长如线、两端尖,记住这画面。
语境与语域Context & Register
语域:formal 常见场景:生物学与生态学文献、医学寄生虫学报告、学术教科书 该词为生物/医学领域的专业术语,正式程度较高,通常用于学术文献、教科书或专业讨论中,而不常见于日常口头交流。
发音与拼写Pronunciation & Spelling
这些词都以 /oʊd/ 结尾(roʊd、loʊd 等),与 nematode 的尾音节 /toʊd/ 押韵。注意:拼写以 -ode 结尾的词如 episode /ˈɛpɪsoʊd/ 读音并不相同,不能按拼写类推押韵。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.