同義詞
1. the central and most important part of an object, movement, or group, forming the basis for its activity and growth
- core
- , centre
- , central part
- , most important part
- , heart
- , nub
- , hub
- , middle
- , midpoint
- , eye
- , kernel
- , focus
- , focal point
- , pivot
- , crux
- , navel
- , omphalos