The street erupted in a huge explosion, with secondary explosions in the adjoining buildings.

街上突然发生了一次巨大爆炸，相邻的建筑物里伴随有一些次级爆炸。

《柯林斯英汉双解大词典》

The dominant mechanisms of the occurrence of the secondary explosion during the venting processes were elucidated according to the numerical and relevant experimental results.

在某些条件下，泄爆外流场可能出现二次爆炸，故研究其外流场特别是二次爆炸的产生机制，具有重要的意义。

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The phenomena of secondary vibration of structures induced by underwater explosion are observed in the experiments.

通过工程试验研究，观测到水下爆炸引起的地基及水中结构物的二次地震波现象。

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But if there is no secondary explosion, then you have an estimate of an analyst to see if he or she feels you have destroyed your target.

CNN: General David Grange: Military strategy in Afghanistan

Luckily for me, there was no secondary vehicle explosion that day.

NPR: Spring a Season of Dread for Troops in Afghanistan

It was when nineteen-year-old Daniel went to rescue a comrade who had been injured by an explosive that Daniel was struck by an explosion from a secondary device.

BBC: Tees - Tributes to a fallen soldier