The first leg The Polar Express: a young boy is started by a thunderous roar.

第一腿《极地特快》：一个小男孩被轰隆隆的吼叫声吓了一跳。

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Searing 750-degree (Celsius) gas flowed down the mountainside in a thunderous roar, and deadly plumes spewed ash four kilometers above the crater.

高达750摄氏度的火山熔岩伴随雷鸣般的咆哮声从山顶倾流而下，山口火舌吐出的火山灰高达四公里。

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A roar of thunderous triumph burst from the gathered Covenant.

雷鸣般的胜利吼叫从聚集的圣约人里爆发。

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Even when you can't see it, you can hear its thunderous roar day and night.

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Any echoes of those once prominent voices can barely be heard amid the thunderous roar of oncoming inflation.

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The roar of the Zambezi tumbling from the falls is indeed thunderous, and the thick spray that swirls like smoke around the cascade can be seen for miles.

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