Slu
abbr. slough 泥沼; special liaison unit 特派联络单元
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
Old oxen have stiff horns.
牛老角硬。
Mrs.Sawyer stays at home every day.She does the housework.
索耶夫人每天呆在家里。她料理家务。