ack是什么意思？

ack

• abbr. acknowledge 承认，acknowledgement 承认，acknowledgment 承认，acknowledged 承认的；

例句

• ACK ! Bug spray? Why do we need bug spray? 啊? 杀虫剂? 我们要杀虫剂干什么?
• 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.
• The ack - ack guns started immediately. 高射炮立即开始发射.