Lutation
密封, 封闭
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
'So do I,' answered the policeman in the same tone.
“我也是的，”警察用同样的声调回答，