Tetragraph
在密码中一连串的四个字母
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
How thick is the ice here?
这儿的冰有多厚？
But there was no time to think.All her other friends were now outside the door.
但来不及去想了。其余的朋友现在也全都到门外了。