Tetragraph
在密码中一连串的四个字母
🗣️ 情景例句
OK. We'll walk back to your office with you.
好吧 ，我们陪你走回你的办公室去。
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
Who do you think you are?
你以为你是谁？