ack-ack

noun

1. 高射炮火
   the repeated firing of guns at aircraft

1. On Harry Welsh's plane, some ack-ack came through exactly where he had been sitting a minute before.
   在哈里。韦尔什的飞机上，有些高炮弹片击穿的地方，就是他一分钟之前坐过的地方。
2. In our dearth of ack-ack guns all sorts of contrivances were used.
   在缺少高射炮的时候，我们利用了各种各样的巧妙方法。
3. Now, I assume You are completelY ack-ack free?
   现在我想你完全和防空没有关系吧？

noun

1. artillery designed to shoot upward at airplanes

   Synonym:    antiaircraftantiaircraft gunflakflackpom-pomack-ack gun