The letter was written in cipher. 这封信是用密码写的。
He was only a cipher. 他只是个无足轻重的人。
They had their family's cipher engraved on silver spoons and forks.
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切換為繁體中文