sustainable
adjective uk/səˈsteɪ.nə.bəl/ us/səˈsteɪ.nə.bəl/
C1 可持续的，能长期保持的
able to continue over a period of time
That sort of extreme diet is not sustainable over a long period. 那种极端的饮食方式无法长期坚持。
C1 （对环境没有损害或损害很小因而）可持续的，能长期维持的
causing little or no damage to the environment and therefore able to continue for a long time
A large international meeting was held with the aim of promoting sustainable development in all countries. 召开了一个旨在推进所有国家可持续发展的大型国际会议。