VOA慢速英语:At Least 50 Dead in Attack on Afghanistan Airport

短语讲解：

1. Eleven Taliban fighters attacked an important airport in southern Afghanistan early Tuesday, killing at least 50 people, Afghan officials say.

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。

2. He said more than 150 soldiers were killed in the attack.

more than 超过; 不只是; 很; 在…次以上
例句：True friendship is worth more than money.
真正的友谊比金钱更有价值。