ack-ack
ack-ack
ack-ack AHD[²k“²k”] DJ[6#k7#k] KK[6#k7#k]
n.Slang (名词)【俚语】
1.An antiaircraft gun.
    高射炮
2.Antiaircraft fire.
    高射,防空炮火
ORIGIN
1.British telephone code forAA
    AA的英语电码
2.abbreviation forantiaircraft
    antiaircraft的缩写