The track plunged down into the valley.

小路陡然而下，直插山谷。

《牛津词典》

The bus came off the road and plunged down an embankment.

公共汽车驶离了公路，冲下路堤。

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The rope broke, and the elevator plunged down to the ground.

缆绳断了，电梯猛然掉到地面上。

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All the bodies have been recovered from the charred remains of the Air India plane that caught fire after it overshot the runway and plunged down a cliff Saturday in the southern Indian city of Mangalore.

VOA: standard.2010.05.23

The glossy black fin and back of a minke whale rose a hundred yards astern, two yellow-striped dolphins broke water and plunged down again, and then the flow of the turned tide could be seen as a chop on the water, small standing waves that indicated the Minch was reversing its direction.

WSJ: The Low-Tech, High-Stakes Way to Sail Scotland

In order to emphasize the generational leap that we can expect with Kal-El, the company switched off two of the four cores momentarily, which plunged performance down to less than 10fps.

ENGADGET: NVIDIA's quad-core Kal-El used to demo next-gen mobile graphics, blow minds (video)

Patrick Yau, an analyst at Macquarie Research, thinks Olam's earnings per share will grow an average of 14% over two years, even though several of its commodities, which spiked not long ago, have plunged back down.

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