Word · Frequency #3589
virus
病毒
核心释义
an extremely small infectious agent that can only multiply inside the cells of living organisms and often causes disease
- 1.
由DNA或RNA核心和蛋白质外壳构成的亚微观非细胞结构,需借助活宿主细胞复制,有时致病
A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classed as nonliving infectious particles and less often as microorganisms).
- 2.
(病毒学)仅在活体宿主细胞内自我复制的超微感染因子;许多是致病的;由一段核酸(DNA或RNA)和一层薄蛋白质外壳组成
(virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
- 3.
大量此类传染性物质
A quantity of such infectious agents, considered en masse.
- 4.
有害或腐败的因素
a harmful or corrupting agency
- 5.
一种可在计算机间隐蔽传播的恶意软件,常损害系统或数据
A type of malware which can covertly transmit itself between computers via networks (especially the Internet) or removable storage such as disks, often causing damage to systems and data; also computer virus.
- 6.
能够自我复制的软件程序,通常会对同一计算机上的文件或其他程序造成严重损害
a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
- 7.
任何传播的恶意或危险实体
Any malicious or dangerous entity that spreads from one place or person to another.
由DNA或RNA核心和蛋白质外壳构成的亚微观非细胞结构,需借助活宿主细胞复制,有时致病;(病毒学)仅在活体宿主细胞内自我复制的超微感染因子;许多是致病的;由一段核酸(DNA或RNA)和一层薄蛋白质外壳组成;大量此类传染性物质;有害或腐败的因素;一种可在计算机间隐蔽传播的恶意软件,常损害系统或数据
用法In use
The flu is caused by a virus, so antibiotics won't help.
用法提示:virus 作名词,意为“病毒”,在句中作介词 by 的宾语。
Washing your hands often is one of the best ways to prevent viruses from spreading.
用法提示:viruses 是 virus 的复数形式,作 prevent 的宾语,表示“病毒”这类事物。
This new virus spreads quickly from person to person.
用法提示:virus 作名词,意为“病毒”,在句中作主语。
bigotry is a virus that must not be allowed to spread
the virus of jealousy is latent in everyone
a true virus cannot spread to another computer without human assistance
相关词与表达Connections
搭配Collocations
- spread a virus
- 传播病毒
- Wash your hands to avoid spreading the virus.洗手以避免传播病毒。
- contract a virus
- 感染病毒
- He contracted the virus while traveling abroad.他在国外旅行时感染了病毒。
- deadly virus
- 致命病毒
- The deadly virus spread quickly through the city.这种致命病毒迅速在城市中传播。
- computer virus
- 计算机病毒
- Make sure to install antivirus software to protect against computer viruses.确保安装防病毒软件以保护计算机免受病毒侵害。
- virus outbreak
学习提示Learner notes
记忆技巧Memory Tip
音似'外热死',联想外界热毒致病,即病毒。
语境与语域Context & Register
中性,通常用于医学、生物学和日常健康话题中。
语法说明Grammar Note
可数名词,复数形式为viruses。
发音与拼写Pronunciation & Spelling
These words end in '-us' but have different stressed vowels (e.g., /oʊ/, /æ/, /eɪ/); none rhyme with virus (/vaɪrəs/).
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 3,建议结合例句记忆,而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.