de·com·mis·sionBrE/ˌdiːkəˈmɪʃn/NAmE/ˌdiːkəˈmɪʃn/verbpresent simple - I / you / we / theydecommissionBrE/ˌdiːkəˈmɪʃn/NAmE/ˌdiːkəˈmɪʃn/present simple - he / she / itdecommissionsBrE/ˌdiːkəˈmɪʃnz/NAmE/ˌdiːkəˈmɪʃnz/past simpledecommissionedBrE/ˌdiːkəˈmɪʃnd/NAmE/ˌdiːkəˈmɪʃnd/past participledecommissionedBrE/ˌdiːkəˈmɪʃnd/NAmE/ˌdiːkəˈmɪʃnd/ -ing formdecommissioningBrE/ˌdiːkəˈmɪʃnɪŋ/NAmE/ˌdiːkəˈmɪʃnɪŋ/~sthtoofficiallystopusingweapons, anuclearpowerstation, etc.正式停止使用（武器、核电站等）