purgative

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数据源: ai_enrichment
purgative 作为形容词指具有净化、通便或赎罪作用的,作为名词指泻药或净化剂。

用法要点

句型搭配

作为形容词时,常用于描述药物、过程或效果,如 'a purgative effect';作为名词时,可作主语或宾语,如 'take a purgative'。

• The medicine has a purgative effect.
• He took a purgative to relieve constipation.

介词用法

常与介词 'for' 连用表示目的,如 'used as a purgative for detoxification';或与 'of' 连用表示净化对象,如 'purgative of impurities'。

• This herb is used as a purgative for cleansing.
• The ritual was purgative of sin.

语域说明

在医学和宗教语境中较常见,日常对话中多指通便作用,学术写作中可引申为净化或赎罪概念,属于正式用语。

• In medical terms, a purgative is a laxative.
• The purgative process in literature symbolizes renewal.

基础例句

The doctor recommended a mild purgative to help with digestion.

医生建议使用一种温和的泻药来帮助消化。

After eating too much, she took a purgative to feel better.

吃太多后,她服用了泻药以感觉舒服些。

This herbal tea acts as a natural purgative for cleansing the body.

这种草药茶作为一种天然的净化剂,用于清洁身体。

高级例句

In pharmacology, purgatives are classified based on their mechanism of action in the gastrointestinal tract.

在药理学中,泻药根据其在胃肠道的作用机制进行分类。

The purgative rituals in ancient cultures were believed to cleanse the soul of spiritual impurities.

古代文化中的赎罪仪式被认为能净化灵魂中的精神杂质。

Clinical trials have shown that this compound has significant purgative effects without severe side effects.

临床试验表明,这种化合物具有显著的泻下作用且无严重副作用。

高频搭配

verb

take a purgativeuse as a purgativeact as a purgativeprescribe a purgativehave a purgative effect

adjective

strong purgativemild purgativenatural purgativeherbal purgativeeffective purgative

noun

purgative actionpurgative propertiespurgative medicinepurgative treatmentpurgative ritual

adverb

highly purgativeslightly purgativetraditionally purgative

preposition

purgative for detoxpurgative of toxinspurgative in medicine

phrase

serve as a purgativefunction as a purgativework as a purgative

常见错误

❌ 错误:I need a purgative for my headache.
✓ 正确:I need a purgative for my constipation.

purgative 主要针对通便或净化,不用于头痛;应改为与消化或排毒相关的语境。

❌ 错误:This food is very purgative.
✓ 正确:This food has a purgative effect.

purgative 作为形容词时,通常描述效果或性质,而非直接修饰食物;使用 'has a purgative effect' 更自然。

近义词辨析

laxative

laxative 更常用,特指促进排便的药物,而 purgative 含义更广,可包括净化和赎罪,且在医学语境中可能指更强效的泻药。

A laxative is often used for mild constipation, whereas a purgative might be prescribed for more severe cases.

cathartic

cathartic 强调情感或心理上的宣泄和净化,如艺术或体验,而 purgative 更侧重于身体或精神上的实际清洁作用。

Watching that movie was a cathartic experience, unlike taking a purgative for physical detox.