Sleuthing
n. （非警方人员所做的）调查, 侦察
🗣️ 情景例句
What are you majoring in?
你主修什么专业？
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
There is a fire burning in the fireplace, and the Christmas tree lights are shining brightly.
火在壁炉里熊熊燃烧，圣诞树的彩灯在交相交烁。