cannonball

n.炮弹；抱膝跳水；高速列车；炮弹式发球v.以极快速度移动；抱膝跳水过去式：cannonballed过去分词：cannonballed现在分词：cannonballing第三人称单数：cannonballscannonball英英释义Nouna solid projectile that in former times was fired from a...