Slu
abbr. slough 泥沼; special liaison unit 特派联络单元
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
An hour in the morning is worth two in the evening.
一日之计在于晨。
I don't think anyone knows about this. I said.
“我想没人知道这一情况，”我说。