There is also a lake inside the second crater and the whole landscape reminds of the one after an explosion.

第二个火山口也有个湖，真个场面提醒着你这是火山喷发后的情景。

youdao

But cell phones' explosion in the marketplace, and users' tendency to wear them close to the body and hold them repeatedly to the same ear, have led scientists to take a second look.

可是手机在市场上的爆炸式增长，以及使用者倾向于将他们贴身携带和通话时反复置于同一只耳朵上，使得科学家们不得不再一次审视它的使用安全。

youdao

But 55 hoursand 55 minutes later, there was an explosion in one of the spacecraft’s twooxygen tanks and the second oxygen tank started to malfunction. Most otheressential services soon went offline.

但是55小时55分钟之后，飞船的一个储氧箱发生爆炸，另一个也开始出现故障，其他关键设备也很快停机。

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The explosion was the second at the same market in 10 days.

VOA: standard.2009.06.01

Running toward the finish line, Erik Savage turned and ducked when he heard the second explosion.

NPR: The Finish Line: What The Bombing Was Like

The second explosion happened metres from where a man was standing talking on his on mobile phone.

BBC: Pimlico pavement explodes, narrowly missing passer by

Most of the people were looking back at the first explosion, wondering what it was, when the second explosion went off.

WSJ: Two Explosions at Boston Marathon Finish Line