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1. Oxford American Dictionary

   expendable

   • IPA[ikˈspendəb(ə)l]

   美式

   • adj.
     of little significance when compared to an overall purpose, and therefore able to be abandoned；(of an object) designed to be used only once and then abandoned or destroyed
2. • 釋義

   adj.

   形容詞

   • 1. of little significance when compared to an overall purpose, and therefore able to be abandoned they are being made to feel like their work is expendable 同義詞 dispensable, able to be sacrificed, replaceable, nonessential, inessential, ... 更多not essential, unimportant, unnecessary, unneeded, not required, superfluous, extraneous, disposable, disposable, throwaway, one use, single-use, replaceable反義詞 indispensable, important
   • ▪ (of an object) designed to be used only once and then abandoned or destroyed the need for unmanned and expendable launch vehicles