secret-keeping

英['siːkrɪtk'iːpɪŋ] 美['siːkrɪtk'iːpɪŋ]
  • 加密
  • contracts n.合同;婚约;合约;契约v.缩小;订合同;缩短;感染(疾病);招致
  • secret n.秘密;奥秘;秘诀adj.秘密的;机密的