音标：[sə'steɪnmənt] ；

支持, 维持, 支持物

n the act of sustaining life by food or providing a means of subsistence

词型变化：名词复数形式 : sustainments

词性分布：

名词100%

sustainment的用法和样例：

例句

用作名词(n.)

Raytheon Company has partnered with The Boeing Company to bid for the U.S.Air Force's Counterspace Command and Control Sustainment contract.近日，雷声公司与波音公司共同对美国空军反空间的指挥与控制支持合同进行了投标。

【近义词】

upkeep维持
maintenance维修
sustentation支持
sustenance维持生计

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