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in combat
in combat 为固定介词短语，常与 wounded、killed 等动词搭配。
He was killed in combat.
他在战斗中阵亡。
战斗；搏斗；斗争
combats — plural of combat
先理解核心含义，再看它在真实句子里的用法。
战斗；搏斗；斗争
a fight or struggle between opposing sides
He was killed in combat.
他在战斗中阵亡。
战斗,打斗(通常指使用武器)。
A battle, a fight (often one in which weapons are used).
两支军事力量之间的交战
an engagement fought between two military forces
为胜利而斗争。
a struggle for victory
战斗的行为；任何竞争或斗争
the act of fighting; any contest or struggle
The soldiers were trained for combat in the jungle.
士兵们接受了丛林作战训练。
The two companies are in direct combat for market share.
两家公司正在直接争夺市场份额。
He received a medal for his bravery in combat.
他因在战斗中的勇敢表现获得了一枚奖章。
in combat 为固定介词短语，常与 wounded、killed 等动词搭配。
He was killed in combat.
他在战斗中阵亡。
用 between 连接交战的双方，A 和 B 可以是名词或代词。
The combat between the two knights was legendary.
两位骑士之间的战斗堪称传奇。
against 后接对抗的对象，表示“为反对…而进行的斗争”。
She led the combat against the new policy.
她领导了反对新政策的斗争。
Not this
He was wounded in a combat.
Use this
He was wounded in combat.
combat 在这里指“作战、战斗”这一总称或抽象概念，是不可数名词，前面不加不定冠词 a；in combat 是固定搭配。a combat 把 combat 当作可数名词，指某一具体战斗，不符合此用法。
Not this
There was fierce combat among the two armies.
Use this
There was fierce combat between the two armies.
combat 表示双方之间的交战时，介词要用 between；between 用于两者之间，among 用于三者或三者以上。中文“两者之间”容易误译成 among，因此要用 between。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
交战区，战斗区域
The soldiers were deployed to a dangerous combat zone.
士兵们被派往一个危险的交战区。
肉搏战，徒手格斗
The martial arts class focused on hand-to-hand combat techniques.
武术课专注于肉搏战技巧。
作战经验
Veterans often have extensive combat experience.
退伍军人通常有丰富的作战经验。
战斗任务
The pilot completed a top-secret combat mission.
飞行员完成了一项绝密战斗任务。
战斗疲劳症
He was diagnosed with combat fatigue after returning from war.
他从战争归来后被诊断出患有战斗疲劳症。
作战行动
The general planned the combat operations for the next day.
将军策划了第二天的作战行动。
战区
Soldiers are deployed to the combat zone for a six-month tour.
士兵们被部署到战区执行六个月的轮换任务。
战斗疲劳症
Many veterans suffer from combat fatigue long after returning home.
许多退伍军人在回家后很长时间仍受战斗疲劳症的困扰。
肉搏战
The soldiers trained in hand-to-hand combat to prepare for close encounters.
士兵们进行肉搏训练，为近距离遭遇战做准备。
战斗是万物之母。
In combat, soldiers face their deepest fears.
在战斗中，士兵面对内心最深的恐惧。
战斗是人类最激烈的体验。
The film portrays the brutality of combat.
这部电影描绘了战斗的残酷。
Use combats naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想英文 'come bat'（来球棒），想象用球棒战斗，记住 combat 是交战。
正式/中性语境；典型场景包括军事交战、体育竞赛或与疾病、犯罪等的竞争。
The words bat, cat, hat, mat, pat, and sat all rhyme with each other and with the second syllable of combat (pronounced /bæt/). The first syllable of combat is pronounced /kɑm/ (as in 'comma'), not /kʌm/ (as in 'come').
Dictionary facts from ECDICT, WIKTIONARY.