一个朋友给我讲他曾经历险的经过。有一次,他乘一辆中型客车去一个外地城市。当车行驶到一条河上的大桥时,意外发生了。为了躲避迎面而来的一辆失控的货车,客车撞倒了桥栏,然后掉进河里。水很深,车门竟然开启不了,一车人绝望地看着车子渐渐沉入水底。地处荒野,救援人员不会短时间内赶过来。这时,有人开始用手头的东西狠砸车窗,那种钢化玻璃极坚硬,大家 A friend told me that he had experienced adventure. Once, he took a medium-sized bus to a foreign city. An accident happened when the car drove to a bridge over a river. In order to avoid the oncoming loss of a truck, the bus knocked over the bridge, and then fell into the river. The water is deep, the door can not even open, a car looking at the car desperately gradually sink into the water. Located in the wilderness, rescue workers will not catch up in a short time. At this time, someone began to use the things on hand smashed the window, the kind of toughened glass is very hard, everyone