定义
to jump: 跳跃
a jump: 跳跃
to jump (at an opportunity): 抓住（机会）
- "Jump as high as a kangaroo flies when you're wearing Outback Cologne!"
- "Philip : Well why don't you jump out of the window and find out?"
- "Horatio jumps on stage"
- "Sadly, his fears came true last month when he killed himself by cutting off his own head and jumping into the sea."
