矿工们必须小心处理炸药，以防止意外的爆炸发生。

Miners must handle explosives carefully to prevent unexpected ___blowups.

当他看到成绩单时，他在教室里大发脾气。

When he saw his report card, he had one of his ___outbursts in the classroom.

展览墙上挂着几张放大的老照片。

There are several ___blow-ups of old photos hanging on the exhibition wall.