I could barely hear above the roar of traffic.

过往车辆的轰鸣声使我几乎什么也听不见。

《牛津词典》

The roar from this Dickensian forge in the port of Penang is part of a greater reverberation across Asia.

槟榔屿港的这家类似狄更斯式的熔炉里传来的轰鸣声，是整个亚洲更大反响的一部分。

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Now and then they heard the roar of a heavy lorry.

他们不时听见一辆重型卡车的轰响声。

《柯林斯英汉双解大词典》

As she heard the muffled roar of the van starting up in the distance, a horrifying realization gripped her."

VOA: special.2009.08.24

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，并将他肢解。

耶鲁公开课 - 弥尔顿课程节选

I didn't take it along with me, but the essence of it is a great roar and rumble emerged as the troops turned and began racing back to the ships to get the hell out of there.

但我没把原作带在身边,不过这番话掀起了巨大的喧嚣呼喊,士兵们转身争相冲向战船,想要离开这鬼地方

耶鲁公开课 - 古希腊历史简介课程节选

That is the roar that Nittany Lion fans are famous for in Happy Valley.

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The roar of the approving crowd waiting outside the abbey was audible throughout the ceremony.

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The roar of industry in one of these towns, Tangshan, has quieted to a hum recently.

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