音标

英 [ɪnˈfekʃn]；美 [ɪnˈfekʃn]

意思

名词，意为“感染；传染；传染病”。既可以指细菌、病毒等病原体侵入人体引发的病理状态，也可表示这种致病源传播的过程 。

造句

He caught an infection in his wound and had to be hospitalized.
他伤口受了感染，不得不入院治疗。

The doctor said the infection was caused by a virus.
医生说这种感染是由病毒引起的。

Skin infections can be very itchy and uncomfortable.
皮肤感染会非常痒且让人不舒服。

Good hygiene helps prevent the spread of infection.
良好的卫生习惯有助于防止传染病的传播。

The flu is a common respiratory infection.
流感是一种常见的呼吸道传染病。

She developed an ear infection after swimming in the dirty pool.
在脏水池里游泳后，她耳朵感染了。

The hospital is taking strict measures to control the infection.
医院正在采取严格措施控制感染。

Antibiotics are often used to treat bacterial infections.
抗生素常被用于治疗细菌感染。

The child's weakened immune system made him vulnerable to infection.
这个孩子免疫系统较弱，容易受到感染。

The outbreak of the infection worried the whole community.
传染病的爆发让整个社区都很担忧 。

初学英语怎么运用

口语运用

日常健康交流：在谈论自己或他人健康问题时使用。例如：“I think I might have an infection in my throat. It hurts a lot.（我觉得我喉咙可能感染了，疼得厉害。）”

公共卫生话题：参与关于疾病预防、卫生习惯等讨论时提及。比如：“Washing hands regularly can stop the infection from spreading.（经常洗手能阻止传染病传播。）”

写作运用

记叙文写作：在描述生病经历时，用于阐述病因或病情发展。例如：“After a week, the infection in my toe got worse, and I had to see a doctor.（一周后，我脚趾的感染加重了，我不得不去看医生。）”

说明文写作：如果主题是关于健康、医学相关知识，可用于介绍传染病相关内容。比如：“Infections can be classified into different types according to the pathogens.（根据病原体，感染可以分为不同类型。）”

学习积累

词根词缀记忆：“infection” 来源于动词 “infect（感染）”，通过了解 “in -（进入）+ fect（做）” 的词根词缀组合，理解单词含义并拓展词汇量。

制作词汇卡片：一面写 “infection”，另一面写释义、例句，随时复习，强化记忆和对用法的熟悉程度 。