名词
1. 食物;营养;养料
Sustenance is food or drink which a person, animal, or plant needs to remain alive and healthy.
1. the act of sustaining life by food or providing a means of subsistence
e.g. they were in want of sustenance
fishing was their main sustainment
Synonym: sustentationsustainmentmaintenanceupkeep
2. a source of materials to nourish the body
Synonym: nutrimentnourishmentnutritionalimentalimentationvictuals
3. the financial means whereby one lives
e.g. each child was expected to pay for their keep
he applied to the state for support
he could no longer earn his own livelihood