dindexdisubstituted./dahy-suhb-sti-too-tid, -tyoo-/US // daɪˈsʌb stɪˌtu tɪd, -ˌtyu- //脱空的,脱胎换骨,脱空,脱机的Definitionsadj.adjective · 形容词1. Chemistry.›containing two substituents.Level 4More words in d →