Flashmob
n. 快闪族：通过网络召集大量互不相识的人; 约定时间在某一地点集中; 闪烁暴徒; A group of people who appear from out of nowhere
🗣️ 情景例句
if you don't mind listening.
假如你不介意听的话。
She is free any time you need help.
你需要帮忙时，请随时向她求助好了。
He shot the lion with a gun.
他用枪把狮子打死了。