Relieved of the overlying pressure, the volcano ejected a blast of rocks, ash, gas, and steam that blew down and buried several hundred square miles of forest.

随着顶部压力的解除，火山激烈喷涌出大股的岩石、灰尘、气体和蒸气，降落下来后覆盖了数百平方英里范围内的森林。

youdao

A forcible stream of air, gas, or steam from an opening, especially one in a blast furnace to aid combustion.

吹风，送风从出口，尤其是从助燃鼓风炉的出口出来的空气，其他气体或蒸汽气流。

youdao

A forcible stream of air, gas, or steam from an opening, especially one in a blast furnace to aid combustion.

吹风，送风：从出口，尤其是从助燃鼓风炉的出口出来的空气，其他气体或蒸汽气流。

youdao

This week I'm going to come up here with a steam cleaner and give it a proper blast.

BBC: Paulton Rovers dare to dream

Those who like their truths conveyed in more conventionally rigorous terms will be frustrated by Mr Brody's method, which, though it builds up a head of emotional steam, seems to dodge the final blast of the trumpet for which we feel we have been prepared.

ECONOMIST: Farming and history

In 2009, the company generated 29% of its revenue from selling steam coal to power plants, and 10% from sales of coking and pulverized coal that feeds the blast furnaces at steel mills and other metallurgical operations.

FORBES: Digging Into Yanzhou Coal, Finding Diamonds