noun🔗Share密码本，密码簿. A book, table, database, or other object that stores the mapping between plaintext words or phrases and their equivalents in a code."During World War II, both sides used codebooks to encrypt and decrypt secret messages. "在二战期间，双方都使用密码本来加密和解密秘密信息。communicationtechnologycomputinglanguagemilitarytechnicalwritinginfosystemscienceChat with AIVocabulary GamePractice Reading
noun🔗Share密码本，代码簿，密码表。 A lookup table."The librarian used the codebooks to find the call number for the new mystery novel. "图书馆管理员查阅了代码簿，找到了这本新悬疑小说的索书号。technologycomputingcommunicationinfotechnicalsystemChat with AIVocabulary GamePractice Reading
