1. For those reasons，Washington policy makers have good arguments for what they call a"forward-leaning"strategy，one that doesn't wait for something awful to hap-pen before applying armed force． 
   基于这些原因，华盛顿的政策制订者完全有理由实施他们所说的"前倾战略"，即不必等到灾难发生才动用武装力量。
2. Will 144 by divided by 12? 
   144能被12整除吗？
3. By airmail or by seamail? 
   航空邮寄还是航海邮寄？
4. By train or by plane? 
   火车票还是飞机票？
5. accompanied by or characterized by maceration. 
   伴随或有浸渍特征的。

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• 1. 碰巧
  by handadv.用手...by hap 碰巧...by haphazard偶然地, 碰巧地
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