ack-ack英 [ˌæk ˈæk]美 [ˌæk ˈæk]n. 高射炮火牛津词典noun高射炮火the repeated firing of guns at aircraft英英释义nounartillery designed to shoot upward at airplanesSynonym:antiaircraftantiaircraft gunflakflackpom-pomack-ack gun双语例句