记忆方法
联想：为商业活动开幕配音。
古代军队扎营时，一般都选择在平坦的旷野中扎营，既便于安营扎寨，又拥有开阔的视野，免遭敌人突袭，所以campaign（在战役、运动）：在campus（平地）上进行的活动。
双解例句
小知识
A campaign is any series of actions or events that are meant to achieve a particular result, like an advertising campaign of television commercials and Internet ads that tries to convince kids to buy bubble gum-flavored toothpaste.
The noun campaign describes any group of actions that are done with an ultimate purpose in mind. The goal of a political campaign is to put a candidate in office. The goal of a military campaign might be to take over a city, as in General Sherman's Civil War campaign to capture Atlanta. Campaign can also be used as a verb, like when an environmental organization campaigns to prevent a developer from building a shopping mall by asking people to sign petitions and soliciting their members of congress.
实用短语
常用短语
单词用法
battle：侧重指战争中的一次较全面、时间较长的战斗，也指陆军或海军在某一特定地区进行的战斗，或个人之间的争斗。
war：是战争的总称，一般指包括多个战役的大规模战争。
campaign：通常指在一场大的战争中在某一地区进行的一连串有既定目的的军事行动。也可作引申用。
struggle：指激烈或时间持续长的战斗或奋力斗争。
warfare：侧重指战争状态或具体的作战方法。
fight：最普通用词，含义广，指战斗、斗争或打斗。
combat：泛指军事行动，尤指小规模的战斗，甚至是格斗。
engagement：指交战，交火。
champion冠军
词根词缀
词根: camp
=field,表示”田野,营地”
n.
camp 野营,营地;帐篷,阵营camp田野,营地→野营→营地
campaign 战役;运动camp营地+aign平原→平原上两军的营地
campus [大学]校园camp营地+us→n.[大学]校园
v.
camp 设营,宿营camp田野,营地→野营→营地
encamp 扎营en进入+camp营地→v.扎营
同义词辨析
这些名词均有”战斗，战争”之意。