单词	sparse set
释义	sparse set 稀疏集
随便看	Customs Declaration for Duty customs declaration for entry of goods customs declaration for fee customs declaration for import and export customs declaration for imports and exports customs declaration form customs declaration form/card customs declaration made at the time of entry customs declaration person Customs Declaration Practice Customs declaration without commercial detail customs declaration without item detail customs declarer customs declarers customs-declaring customs deposit customs depot customs director customs director commissioner customs districts customs document customs documentation customs documents customs drawback customs due