Definition

Examples

• 国家加强了防空系统。
  Guójiā jiāqiáng le fáng kōng xìtǒng.
  The country strengthened its air defense system.
• 这种导弹用于防空。
  Zhè zhǒng dǎodàn yòng yú fáng kōng.
  This type of missile is used for air defense.
• 军队进行了防空演习。
  Jūnduì jìnxíng le fáng kōng yǎnxí.
  The military conducted an air defense drill.