sustainment
参考词典中sustainment的常规释义：
基本释义
- 支持
维持
支持物
词形变化
- 时 态：sus·tained, sus·tain·ing, sus·tains名 词：sus·tain'ment形容词：sus·tain'a·ble
英英解释
1个名词解释
- the act of sustaining life by food or providing a means of subsistence
[同] maintenance, sustainment, sustenance, sustentation, upkeep
[例]- they were in want of sustenance
- fishing was their main sustainment
点击查看……- the act of sustaining life by food or providing a means of subsistence
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