bacteria

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
细菌是微小的单细胞生物,广泛存在于自然界中,有些对人体有益,有些则会导致疾病。

用法要点

复数形式

bacteria是bacterium的复数形式,通常以复数形式使用,表示多种细菌或细菌群体。

• harmful bacteria
• bacteria in the soil
• bacteria that cause infections

介词搭配

常用介词包括in(表示位置)、on(表示表面)、with(表示伴随)和against(表示对抗)。

• bacteria in water
• bacteria on skin
• antibiotics against bacteria

语域说明

bacteria是正式和科学用语,日常口语中可能用germs或bugs替代,但bacteria更准确。

• scientific study of bacteria
• bacteria in medical reports
• avoid colloquial substitution

句型搭配

常用于被动语态或与动词如kill、grow、spread搭配,描述细菌的行为或影响。

• bacteria are killed by heat
• bacteria grow rapidly
• bacteria spread through contact

基础例句

Washing your hands regularly helps remove harmful bacteria.

经常洗手有助于去除有害细菌。

Some bacteria in yogurt are good for your digestion.

酸奶中的一些细菌对消化有益。

If you don't clean the wound, bacteria might cause an infection.

如果不清理伤口,细菌可能会导致感染。

Bacteria can spread quickly in warm, moist environments.

细菌在温暖潮湿的环境中传播得很快。

高级例句

The research focuses on antibiotic-resistant bacteria in hospital settings.

这项研究专注于医院环境中抗生素耐药性细菌。

Probiotics contain live bacteria that support gut health in humans.

益生菌含有活细菌,有助于维持人体肠道健康。

Bacterial contamination in food processing plants must be strictly controlled to ensure safety.

食品加工厂中的细菌污染必须严格控制以确保安全。

The study identified new strains of bacteria that degrade plastic waste.

这项研究发现了能降解塑料废物的新细菌菌株。

高频搭配

verb

kill bacteriagrow bacteriaspread bacteriafight bacteriacultivate bacteria

adjective

harmful bacteriabeneficial bacteriaresistant bacteriapathogenic bacteriaintestinal bacteria

noun

colony of bacteriastrain of bacteriatype of bacteriagrowth of bacteriainfection by bacteria

adverb

rapidly growing bacteriacommonly found bacteriahighly resistant bacteria

preposition

bacteria in waterbacteria on surfacesbacteria with antibioticsbacteria against infection

phrase

antibiotic-resistant bacteriagut bacteriafoodborne bacteriabacterial infection

常见错误

❌ 错误:There is a bacteria on my hand.
✓ 正确:There are bacteria on my hand.

bacteria是复数名词,单数形式是bacterium,但日常使用中通常用复数。错误句用了单数动词is,应改为复数动词are。

❌ 错误:I need a medicine to kill the bacteria.
✓ 正确:I need medicine to kill the bacteria.

medicine作为"药物"时通常是不可数名词,不需要冠词a。错误句加了a,应去掉,除非特指某种药物。

近义词辨析

germs

germs是更口语化的词,泛指引起疾病的微生物,包括细菌、病毒等,而bacteria特指细菌,更科学准确。

Germs can make you sick (general); Bacteria are prokaryotic organisms (specific).

microbes

microbes是微生物的统称,包括细菌、真菌、病毒等,范围比bacteria更广,bacteria只是其中一类。

Microbes are essential for ecosystems (broad); Bacteria play a key role in decomposition (narrow).