VOA慢速英语:France in Shock After Truck Attack in Nice(翻译)

短语讲解：

1. He crashed through a barrier, then drove through the crowd for up to two kilometers, speeding up and targeting people as they tried to flee.

speed up （使） 加速; 开快车; 加紧; 增速
例句：You have to speed up decisions about how to spend some of that cash.
怎样使用那些现金，必须尽快决定。

2. An attack in Paris in November killed at least 130 people and a series of attacks in January 2015 that began with an assault on the offices of the magazine Charlie Hebdo killed 17 people.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。