Slu
abbr. slough 泥沼; special liaison unit 特派聯絡單元
??? 情景例句
Is he still in his office?
他還在辦公室嗎？
Sometimes the snow was so deep we could tunnel through it.
偶爾雪會積到可以造隧道那般的深度。
Have fun.
好好玩吧！