colloid

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
胶体是一种分散体系,其中微小颗粒悬浮在另一种物质中,如牛奶中的脂肪颗粒分散在水中。

用法要点

句型搭配

作为名词时,常用于描述物质状态或科学概念,如“form a colloid”或“colloid stability”。在句子中通常作主语或宾语。

• form a colloid
• colloid stability
• in a colloid state

介词用法

常与介词“in”连用表示状态,如“in colloid form”;与“of”连用表示组成,如“colloid of particles”。

• in colloid form
• colloid of particles
• as a colloid

语域说明

主要用于科学、化学、医学和工程领域,属于学术和技术词汇,日常对话中较少使用,除非讨论相关主题。

• scientific paper
• medical application
• industrial process

基础例句

Milk is a common example of a colloid, with fat particles dispersed in water.

牛奶是胶体的一个常见例子,其中脂肪颗粒分散在水中。

In cooking, sauces often form colloids to create smooth textures.

在烹饪中,酱汁常形成胶体以产生顺滑的质地。

The fog outside is a colloid of water droplets in air.

外面的雾是空气中水滴形成的胶体。

She learned about colloids in her science class today.

她今天在科学课上学习了胶体。

高级例句

The research focuses on the stability of colloids in pharmaceutical formulations to enhance drug delivery.

该研究专注于药物制剂中胶体的稳定性,以提高药物递送效率。

In material science, colloids are used to develop advanced coatings with unique optical properties.

在材料科学中,胶体被用于开发具有独特光学特性的先进涂层。

The company's new product utilizes colloidal silver for its antimicrobial effects in medical devices.

该公司的新产品利用胶体银在医疗设备中发挥抗菌作用。

Environmental engineers study colloid transport in groundwater to assess pollution risks.

环境工程师研究地下水中的胶体传输以评估污染风险。

高频搭配

verb

form a colloidstabilize a colloiddisperse as a colloidanalyze colloidsproduce colloids

adjective

stable colloidaqueous colloidcolloidal suspensionfine colloidnatural colloid

noun

colloid solutioncolloid particlescolloid chemistrycolloid systemcolloid stability

preposition

in colloid formas a colloidof colloid naturewith colloid properties

phrase

colloid dispersioncolloid phasecolloid behaviorcolloid science

常见错误

❌ 错误:The solution is a colloid because it is very thick.
✓ 正确:The solution is a colloid because it contains dispersed particles that do not settle.

错误在于将胶体与粘度混淆;胶体的定义基于颗粒分散状态,而非厚度,应强调颗粒悬浮特性。

❌ 错误:I added colloid to the mixture to make it stronger.
✓ 正确:I added a colloidal substance to the mixture to enhance its stability.

错误在于将“colloid”用作可数名词指代具体物质;正确用法是作为不可数名词或与“substance”等词搭配,表示胶体状态或材料。

近义词辨析

suspension

悬浮液通常指颗粒较大、会随时间沉降的混合物,而胶体的颗粒更小、更稳定,不易沉降,常用于科学描述。

Muddy water is a suspension, whereas milk is a colloid with finer particles.

emulsion

乳浊液特指两种不互溶液体形成的胶体,如油和水,而胶体是更广泛的术语,可包括固体、液体或气体颗粒的分散体系。

Mayonnaise is an emulsion, a type of colloid made from oil and vinegar.