cannon
noun [ C ] uk/ˈkæn.ən/ us/ˈkæn.ən/ cannons or cannon
(旧时的)大炮,火炮,加农炮
a large, powerful gun, usually attached to two or four wheels, that was used in the past to fire heavy stone or metal balls
(飞机上的)机关枪
a gun fastened to an aircraft
cannon
verb [ I usually + adv/prep ] UK uk/ˈkæn.ən/ us/ˈkæn.ən/
突然撞上,碰撞
to knock or hit against someone or something suddenly and forcefully as you are running
I was rushing along with my head down when I cannoned into an old lady walking the other way. 我正一路低头跑着,突然撞上了一个迎面走来的老妇人。