1.
domain; field; area of expertise
A specific area or sphere of activity, knowledge, or responsibility.
それは私の専門領域ではない。
That is not my area of expertise.
AI研究の領域が広がっている。
The field of AI research is expanding.
2.
territory; region
A physical area or space.
領域を侵す。
To invade territory.
領域 refers to a domain, field, or territory.
COMMON EXPRESSIONS:
- 専門領域: area of expertise
- 研究領域: field of research
- 領域を広げる: to expand one's domain
SIMILAR WORDS:
- 分野: field (of study/work)
- 範囲: scope, range