airmail express;airmail special delivery

• 航空快信

airmail express;airmail special delivery的用法和样例：

例句

1. In Chungking when Hsin-mei received news of Hung-chien's engagement, he sent an airmail express letter congratulating them.
   辛楣在重庆得到鸿渐订婚的消息，就寄航空快信道贺。