1. Increased costs per cannon type to balance their firepower value. ���ӵķ���ÿ������ƽ�������ֵ��
2. They were the elite flight squadron, chosen to protect the cannon. �����Ǿ���ķ����жӣ���ѡ�б����Ŵ��ڡ�
3. He had never approached a cannon in his life, even at the Invalides. ��һ���Ӳ����߽�һ����ڣ���ʹ���ڲзϾ���Ժ�
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n.
1. a large artillery gun that is usually on wheels
2. heavy gun fired from a tank
3. (Middle Ages) a cylindrical piece of armor plate to protect the arm
4. heavy automatic gun fired from an airplane
5. lower part of the leg extending from the hock to the fetlock in hoofed mammals
6. a shot in billiards in which the cue ball contacts one object ball and then the other v.
1. make a cannon
2. fire a cannon