1. 使气体变稀薄:rarerrarest 稀罕的 | rarify 使气体变稀薄 | rarify 使成精细
2. 使成精细:rarerrarest 稀罕的 | rarify 使气体变稀薄 | rarify 使成精细
verb
1. make more complex, intricate, or richer
e.g. refine a design or pattern
Synonym: complicaterefineelaborate