Extrapolating backward, it was born rotating once every 20 milliseconds.

The patient expectorates mucus each morning shortly after rising.

患者每天清晨起床不久,就咳出粘液.

This drug expectorates quickly.

这种药能够祛痰.

A whisk fern grows from recently cooled lava in Hawaii Volcanoes National Park, Hawaii.

一种叉形蕨类植物从近期冷却的位于夏威夷火山国家公园的岩浆中萌发.

The volcano spewed molten lava.

火山喷出了熔岩.

Its forested slopes are streaked with the scars of old lava flos.

森林覆盖的山坡上留有一道道之前火山熔岩流过的痕迹.

Lava flows can burn, crush, or bury anything in their path.

熔岩流可以烧毁, 粉碎并埋葬沿途的所有东西.

The volcano was spurting out rivers of molten lava.

火山喷涌着熔岩.

A volcano spouts flame and lava.

火山喷出火焰和岩浆.

In Hawaii Volcanoes National Park, Kilauea erupts sending lava high into the air.

在夏威夷的火山国家公园, 基拉韦厄火山喷射出的熔岩直冲云霄.

Lightning streaks across the sky as lava flows from the volcano on Iceland's Eyjafjallajokull glacier.

在冰岛艾雅法冰川火山喷发岩浆时闪电划过天空.

Lava could account for the mare infill on the Moon.

火山岩能解释月球表面大片的阴暗区的形成.

His anger spilled out like lava.

他的愤怒像火山爆发似的迸发出来.

The lava flowed down the sides of the volcano.

熔岩沿火山坡面涌流而下.

As evening turnsnight , the burning lava quietly falls down the side of the volcano.

夜色渐浓,浊流滚滚的熔岩沿着火山安静地流淌.

A moon scape of lava rock contrasted against the brilliant blue of the Pacific Ocean.

如月球表面般的火山石和艳蓝的太平洋形成强烈对比.

The cooling lava continued to gutter toward lower ground.

正在冷却的熔岩继续向更低的地面流动.

The rough, rocky floor of the Indian Tunnel lava tube.

粗糙的, 岩石层的印度熔岩隧道管.

Lava tubes serve as underground pipelines , allowing molten rock to flow under and away from volcanoes.

岩溶洞像一个顶上管讲使熔融岩石从火山下端流走.

Lava spewed forth from the volcano.

熔岩从火山喷吐出来了.

The agreement will be considered null and void.

该协议将被视作无效。