sprung to their feet

• v. 一跃而起(匆匆站起)

例句

用作动词 (v.)

1. He jumped to his feet at the sight of his father.
   他一看见他爸爸立刻一跃而起。
2. Knock your audience off their feet in amazement!
   它将使用户兴奋得一跃而起！