The letter was written in cipher. 這封信是用密碼寫的。
He was only a cipher. 他只是個無足輕重的人。
They had their family's cipher engraved on silver spoons and forks.
👨🏻🏫 Mr. Ng 麥美倫詞典 📚 – macmillan.mister5️⃣.net切换为简体中文