leap forward

• • 突然跳向前面，向前猛跃：

    The dog leapt forward,but it failed to clear the fence.

    狗突然向前跃去，但是却没有跳过篱笆。

  • 跃进；飞速发展：

    Our industry has leapt forward since we followed the policy of reform and opening.

    自从我们奉行改革开放政策以来，我们的工业飞速发展。