combat
单词辨析：
通常指敌对国家之间或国内敌对势力之间进行的大规模武力战争，其中可包括多个战役（battle）。
We are fighting a just war.
我们在打一场正义战争。
The dawn of peace has appeared, but the danger of war still remains.
和平的曙光已经出现，但战争的危险依然存在。
Mankind must put an end to war, or war will put an end to mankind.
人类必须结束战争，否则战争就会毁灭人类。
指战争中的军事行动，为不可数名词。
His son was killed in action in Vietnam.
他的儿子在越战中阵亡。
They went into action against superior forces.
他们跟更为强大的军队作战。
Can military action be avoided?
军事战斗可以避免吗？
通常指敌对双方的军队之间的交战，尤指大型战争中的某一次战役。
It was the most crucial battle in the whole war.
那是整个战争中最为关键的一次战役。
We won the war after a decisive battle.
经过一场决战后，我们取得了战争的胜利。
指战争中的军事行动，尤指小规模的战斗，作此义解时常可与action 换用；也可指人或群体间的打斗。
Corporal Jill was killed in combat/action.
吉尔下士阵亡了。
They were decisively defeated in combat/action.
他们在战斗中被彻底击败。
The soldiers were trained in unarmed combat.
士兵们接受了徒手格斗训练。
普通用词，尤指敌对军队间为争夺某一地方或位置而进行的战斗，也可指人或帮派之间的争斗。
After a fierce fight, the enemy yielded to our army.
经过一场激战，敌人向我军投降了。
The soldiers expended all their ammunition in the fight.
士兵们在战斗中用尽了所有的弹药。
Tom's always getting into fights at school.
汤姆老是在学校打架。
相关例句：
A reporter interviewed the combat hero.
记者访问了这位战斗英雄。
Regular exercise helps to combat unwanted stress and is a good way of relaxing or letting off steam.
经常运动有助于摆脱多余的压力，也是放松或宣泄情感的好办法。
The fight against inflation took priority over measures to combat the deepening recession
抵制通货膨胀比抑制日益加剧的经济衰退更为重要。
There is nothing so fearful as to be alone in a combat situation
没有比孤身奋战更可怕的了。
Liaison between police forces and the art world is vital to combat art crime.
警方和艺术界的联手对于打击艺术品犯罪至关重要。
The troops have entered into combat readiness.
部队已进入战备状态。