emotional sustenance情感寄托;感情的寄托
sustenance funds维持费
A Sustenance一种寄托
sustenance breathing维持性吸氧
sustenance sustenance粮食必需品
ideological sustenance理想寄托
basic sustenance基本食用;社会福利
sustenance e食物;生计;营养物;支持
N-UNCOUNT（不可数名词） Sustenance is food or drink which a person, animal, or plant needs to remain alive and healthy. 食物 [正式]
The state provided a basic quantity of food for daily sustenance, but little else.
国家提供基本的日常食物供应，仅此而已。