今天我们要学的词是 aviation. [ˌeɪviˈeɪʃn] 

Aviation is spelled a-v-i-a-t-i-o-n, aviation. 

Aviation 航空。（名词）

U.S. lawmakers are pushing for stronger aviation security with a bipartisan bill that would require airlines to install secondary security doors between the cabin and the cockpit. 

美国国会议员提出推动航空安全的跨党派议案，要求航空公司在客舱和控制舱之间加建第二道安全门。

A German aviation group warned airline passengers that they are likely to face further flight delays and cancellations over the summer because of shortages of air traffic controllers. 

德国一个航空组织警告乘客，鉴于空中交通管制人员的短缺，夏天可能面临更多航班延迟或取消的情况。