名词
1. (尤指某人有控制力、影响力或权利的)领域，范围，范畴
A domain is a particular field of thought, activity, or interest, especially one over which someone has control, influence, or rights.
2. 领土;势力范围
Someone's domain is the area they own or have control over.
3. (因特网上的)域
On the Internet, a domain is a set of addresses that shows, for example, the category or geographical area that an Internet address belongs to.
1. the content of a particular field of knowledge
Synonym: knowledge domainknowledge base
2. people in general
especially a distinctive group of people with some shared interest
e.g. the Western world
Synonym: world
3. (mathematics) the set of values of the independent variable for which a function is defined
Synonym: domain of a function
4. territory over which rule or control is exercised
e.g. his domain extended into Europe
he made it the law of the land
5. a particular environment or walk of life
e.g. his social sphere is limited
it was a closed area of employment
he's out of my orbit