When a jet engine is running, a fan at the front draws in air, which is then compressed and burned with fuel to produce hot, rapidly expanding gases which roar out of the back.

喷气发动机运转时，前端的风扇吸入空气； 空气经过压缩后与燃油一道被点燃； 高温的燃气迅速膨胀，咆哮着冲出尾喷管。

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They drown out Orpheus' music with the hideous roar of their howlings and their screamings and they tear him limb from limb.

她们用可怕的咆哮和尖叫淹没了俄耳甫斯的音乐，把音乐撕成了碎片。

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The roar of the engines died out as the rocket vanished into the clouds.

当火箭在空中消失时，其发动机的吼声就没有了。

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At the stroke of midnight, a muffled roar rang out -- I couldn't see the store doors open because I was around the corner -- and the next 10 minutes was a satisfying blur.

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In the span of a few minutes early in Friday night's second round, the San Diego Chargers caused draftniks at Radio City Music Hall to let out a roar with the selection of Notre Dame's Manti Te'o.

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And as much as we love to roar for underdogs and out-of-nowheres, there is something to be said for an athlete doing it when the world is expecting greatness looking right into the anticipation and serving greatness right up.

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