n
- ① 天文学
- He is a professor of astronomy.他是天文学教授。
词族
- astronomern.天文学家
- astronomicaladj.天文的,天文学上的
词路径
- entity
- abstraction
- abstract entity
- psychological feature
- cognition
- knowledge
- noesis
- content
- cognitive content
- mental object
- knowledge domain
- knowledge base
- domain
- discipline
- subject
- subject area
- subject field
- field
- field of study
- study
- bailiwick
- science
- scientific discipline
- natural science
- physics
- natural philosophy
- astronomy
- uranology
上位词
- natural philosophy
- physics
下位词
- astrodynamics
- astrometry
- astrophysics
- celestial mechanics
- radio astronomy
- selenology
- solar physics