cannoning/ˈkæn.ən/动词突然撞上,碰撞I was rushing along the corridor when I cannoned into someone coming out of a side door.当我匆匆走过走廊时,我撞上了一个从侧门出来的人。/ˈkæn.ən/名词(旧时的)大炮,火炮,加农炮The 5,000-pound cannon predates the Civil War.这门5000磅的大炮早于内战时期。想跟读,去练习