assume的名词形式是assumption。assume作为动词，中文翻译为“假定”、“认为”、“承担”、“取得”、“呈现”、“显露”；而assumption作为assume的名词形式，中文含义有“假定”、“担任”、“获得”。
一、assume的基本释义及用法介绍
assume作为动词，意为假定;假设;认为;承担(责任);就(职);取得(权力);呈现(外观、样子);显露(特征)。
例句：It is reasonable to assume (that) the economy will continue to improve.
认为经济将继续好转是有道理的。
The court assumed responsibility for the girl's welfare.
法庭承担了保障这个女孩福利的责任。
This matter has assumed considerable importance.
这件事看来相当重要。
He assumed an air of concern.
他装出关心的样子。
In his dreams, the mountains assumed enormous importance.
在他的梦中，山有着至关重要的作用。
He contented himself by assuming an air of superiority...
他表现出一副高高在上的样子以获得自我满足。
二、assumption的基本释义及双语例句
assumption作为名词时，意为假定;假设;(责任的)承担;担任;(权力的)获得。
例句：We are working on the assumption that everyone invited will turn up.
我们假定了每一个人都会应邀出席并正就此作出安排。
His actions were based on a false assumption.
他的行为基于错误的设想。
His views are grounded on the assumption that all people are equal.
他的观点建立在人人平等的假设之上。
Implicit in his speech was the assumption that they were guilty.
他话语中的言外之意是设定他们有罪。
Economists are working on the assumption of an interest rate cut.
经济学家正在研究降低利率的假设。
The new governor's assumption of office will take place next Tuesday.
新州长将于下星期二到任就职。
