ba‧sis S2 W1 / beɪsəs, beɪsɪs / 名词 ( 复数形式 bases / -siz / ) [可数名词]

1 the facts, ideas, or things from which something can be developed :

Their claim had no basis in fact (= it was not true ) .

basis of

Bread forms the basis of their daily diet.

basis for

The video will provide a basis for class discussion.

2 on the basis of something because of a particular fact or situation :

discrimination on the basis of sex

3 on a regular/daily/weekly etc basis every day, week etc :

I’m saving money on a regular basis.

4 on a voluntary/part-time/temporary etc basis a system or agreement by which someone or something is voluntary etc :

Nurses are employed on a full-time basis.

COLLOCATIONS

动词

form the basis of something This research will form the basis of a book.

provide a basis for something The poem provided the basis for an interesting class discussion.

become the basis of/for something Some of these ideas became the basis for the Parents’ Educational Union.

serve as a basis for something The document will serve as a basis for negotiations.

establish a basis ( also lay a basis ) (= create something from which something can be developed ) The agreement established a sound basis for international commerce.

have a basis Our constitution has a democratic basis.

have no basis in fact (= be not true ) Many of these rumours have no basis in fact.

形容词

a good basis Love and trust form a good basis for marriage.

a sound/firm/solid basis Drama school may provide a sound basis for an acting career.

THESAURUS

basis the facts, ideas, things etc from which something can be developed : His work will be used as a basis for future research.

foundation the thing on which something is based, especially something important that continues for a long time : Their ideas were the foundation for the political system that exists in the UK today. | How can we provide a solid foundation for world peace?

bedrock the most important thing that something depends on in order to be successful : Honesty is the bedrock of any healthy relationship. | Labour’s traditional bedrock of support is among the working classes.

cornerstone the most important thing that something depends on in order to be successful, especially in business and politics : Confidence is the cornerstone of our business. | NATO remains a cornerstone of defence policy for Europe.