航空 hángkōng aviation
怎么记住“航空”: 航 vessel + 空 empty = aviation.
汉字
用法
- Aviation / air travel as a field - 航空公司 (hángkōng gōngsī) airline.
- Attributive for anything to do with flight by aircraft: 航空母舰 (hángkōng mǔjiàn) aircraft carrier, 航空邮件 (hángkōng yóujiàn) airmail.
- 航 is voyaging (also 航海 sea navigation); 航空 specifically = through the air.
例句
- 航空邮寄它。 Hángkōng yóujì tā.Send it airmail.