慢速英语:Iraq's Kurdish Fighters Head to Kobani

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词汇讲解：

1. strengthen vt.加强，巩固
例句：You cannot strengthen the weak by weakening the strong. 
削弱强者不能使弱者变得强壮。 

2. announce vt.宣布; 述说
例句：Please announce to the children that there will be no school this afternoon. 
请通知孩子们今天下午不上课。 

3. dispute vt. 辩论，争论
例句：I won' t dispute you on that point. 
我不愿在那一点上同你争论。 

4. condemn vt.（通常因道义上的原因而）谴责; 宣判
例句：I condemn this senseless violence. 
我谴责这种无谓的暴行. 

5. operation n.操作，经营
例句：Ensure that the grille is in place while the machinery is in operation. 
机器运转时一定要放好安全网罩. 

6. operate vt. 运转; 操作
例句：At other times the system would operate the opposite way around. 
在其它的时候，整个系统的运行正好相反。