NPR News:俄罗斯购物中心大火致64死 4名涉案人员被刑事拘留

重点讲解：
1. break out （战争、战斗或疾病）爆发；
例句：Fires broke out everywhere, the entire city went up in flames.
到处都燃起了火，整个城市陷入一片火海。
2. a variety of 各式各样；多种多样；
例句：We spend the time collating and presenting the information in a variety of chart forms.
我们花费时间用各种各样的图表来比照和展示这些信息。
3. put forth 提出（计划或建议）；
例句：That's the hypothesis put forth by a new study published in Health Affairs.
《卫生事务》刊登的一项最新研究提出了这一假设。
4. in the wake of 随着…而来；作为…的结果；
例句：He resigned in the wake of accusations that he had stolen from the company.
他被指控盗窃了公司的财产，随即就辞职了。