今天我们要学的词是 aviation. Aviation is spelled a-v-i-a-t-i-o-n, aviation. Aviation 航空。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。好的，我们今天学习的词是 aviation, aviation, aviation ...
