Relier Pairs Secret WritingVersion en ligne ........... par Tea Cher 1 Scalp 头皮 2 Alum 明矾 3 Ancient 古老的 4 Secret agent 密探 5 Cunning 狡猾 6 Steganography 隐写术 7 Vital information 重要信息 8 Cryptography 密码学: 9 Transposition 换位 10 Substitution 代换 Critical or essential information that is of utmost importance. Clever, sly, or crafty in achieving one's goals or solving problems. Belonging to a time long past, typically referring to a period in history. The practice of concealing messages or information within other non-secret data. The act of replacing one thing with another. The practice or study of techniques for secure communication in the presence of third parties. A person who works covertly to gather information or perform espionage activities. The act of changing the position or order of something. A chemical compound used for various purposes, including as a mordant in dyeing and as an ingredient in some inks. The skin covering the top of the head.
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