Air force is an important component of national defense 空军是国防的重要组成部分
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Air force is an important component of national defense 空军是国防的重要组成部分。
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The air force is an important fighting service 空军是一个重要的作战军种。
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Other articles related how a british military expedition abandoned their climb to rescue a british climber with a broken leg and how three french climbers were injured and evacuated by a royal nepal army helicopter 其他的一些文章讲到了一个英国的军事探险队如何放弃他们的攀登转而去营救一位腿部骨折的英国登山者，以及尼泊尔皇家空军是如何帮助三位受伤的法国登山者撤离的。
