慢速英语:Arizona Congresswoman May Owe Life to Luck and 'Battlefield Lessons'

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例句：Children like to play outdoors.
      孩子们喜欢在户外玩耍。

2.respiratory adj.呼吸的,呼吸用的

例句：He’s suffering from an acute infection of the lower respiratory tract.
      他患有急性下呼吸道感染。

3.extremity n.手和足

4.stem vt.遏制[阻止](液体的流动等)

例句：You must stem the flow of blood from the wound.
      你必须止住伤口流血。

5.specialty n.专业;专长

例句：Her specialty is biochemistry.
      她的专业是生物化学。

6.suspend vt.暂停, 终止

例句：Both sides in the conflict have agreed temporarily to suspend hostilities.
      冲突双方同意暂时停火。

      The President has suspended the constitution and assumed total power.
      总统废止了宪法, 独揽大权。