There was a vertical drop to the ocean.

至海洋有一段垂直落差。

《牛津词典》

However, without a vertical drop of any significant drama, Inga Falls may not count as a waterfall under other classifications.

然而，它却没有一处有值得注意的巨大垂直落差，若根据其他分类方法，因加瀑布还可能算不上是一条瀑布。

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Of waterfalls that do include a vertical drop, the waterfall with the greatest volume is the 45-foot Khone Falls, on the border between Laos and Cambodia.

在所有具有垂直落差的瀑布中，最大流量的瀑布为45英尺、每秒钟溢出250万加仑湄公河水的孔恩瀑布（Khone Falls），它位于老挝和柬埔寨之间的边境上。

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The mountain boasts the steepest vertical drop of any course in the eastern United States.

VOA: standard.2010.02.09

Then, imagine you're a bobsledding champ on the Inn's tubing hill, offering a thrilling 500ft vertical drop.

BBC: Daily deal: Two nights in West Dover, Vermont

Atop the pass, a few yards from a rocky memorial to the 19th-century explorer Quinton Mackinnon, is a 2, 600-foot vertical drop.

FORBES: Magazine Article

Longtime skier Petitt is thinking about expanding his mountain, with its 660-foot vertical drop, to create a less challenging path for families.

FORBES: Magazine Article