VOA慢速英语:Tsarnaev Guilty on All Counts in Boston Bombing

1. More than 260 other people were injured.

more than 多于
例句：Common sense is worth more than learning. 
普通的见识比学问更重要。 

2. Kurdish security officials say the Islamic State group has freed at least 216 members of Iraq's Yazidi community. They had been captives for eight months.

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。 

3. Witnesses say the release took place Wednesday in the northern province of Kirkuk.

take place 发生
例句：Earthquakes take place far underground. 
地震则发生在地球的极深处。 

4. The Afghan soldier was killed in return fire.

in return 作为报答
例句：I bought him a drink in return for his help. 
我请他喝酒以酬谢他的帮助.