moth·ballBrE/ˈmɒθbɔːl/NAmE/ˈmɔːθbɔːl/verbpresent simple - I / you / we / theymothballBrE/ˈmɒθbɔːl/NAmE/ˈmɔːθbɔːl/present simple - he / she / itmothballsBrE/ˈmɒθbɔːlz/NAmE/ˈmɔːθbɔːlz/past simplemothballedBrE/ˈmɒθbɔːld/NAmE/ˈmɔːθbɔːld/past participlemothballedBrE/ˈmɒθbɔːld/NAmE/ˈmɔːθbɔːld/ -ing formmothballingBrE/ˈmɒθbɔːlɪŋ/NAmE/ˈmɔːθbɔːlɪŋ/[usually passive]~sthtodecidenottouseordevelopsth, foraperiodoftime, especiallyapieceofequipmentoraplan封存;搁置不用SYNshelve◆Theoriginalproposalhadbeenmothballedyearsago. 最初的建议多年前就束之高阁了。