英音听力讲解:俄罗斯调查认定涅姆佐夫被谋杀系买凶杀人

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短语讲解：

1. A government's spokesman told the BBC that Boko Haram had suffered very high casualties and a degrading of its capacity as a result of the attacks by Nigerian and regional armed forces.

as a result of 由于…的结果; 起因
例句：Many facts emerged as a result of the investigation. 
调查结果,许多事实暴露出来。 

2. At least 30 rockets were fired at the barracks in the desert town of Kidal.

at least 至少
例句：At least she is a paragon with her feet on the ground. 
她至少是一个脚踏实地的特殊人物。 

3. In a controversial speech to Congress on Tuesday, the Israeli Prime Minister, Benjamin Netanyahu, warned that a nuclear deal with Teheran will pave the way for an Iranian bomb.

deal with 与…交易; 应付;  对待
例句：We have to be prepared to deal with a range of possible cases. 
我们必须准备应付各种可能的情况。 

4. Mr. Lungu came into power in January after the previous President died in office.

come into power （开始）掌权，上台，执政
例句：When did the labour government come into power? 
工党政府什么时候执政的？