n. a sudden very loud noise
n. a border of hair that is cut short and hangs across the forehead
n. the swift release of a store of affective force
v. to produce a sharp often metallic explosive or percussive sound
n. 重击, 突然巨响, 刘海
v. 发巨响, 重击
adv. 砰然地, 突然巨响地, 直接地
[计] 撞击符