briskly

例句：

1. 1.She walked briskly down the street.
   她快步沿着街道走去。
2. 2. The hike was briskly led by the guide.
   导游带领的徒步旅行进展神速。
3. 3. He briskly answered all her questions.
   他迅速回答了她所有的问题。