hop /hɔp/ vi. & vt.单足跳，（蛙、鸟等）齐足跳：hop (over) a ditch(stream)跳过沟（溪）The bird hopped onto my finger.小鸟跳到我的手指上。‖II. n.单足跳；跳舞（非正式用语）：Let’s go to the hop. 咱们参加舞会去。With one hop the frog was back in the pond.青蛙纵身一跳就回到池塘里。