Sleuthing
n. （非警方人员所做的）调查, 侦察
🗣️ 情景例句
Don't let us keep you from your math tutoring, Robbie.
别让我们妨碍你的数学家教， Robbie。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，