warfare

US /ˈwɔrˌfɛr/

UK /ˈwɔ:fɛə/

B2 中高級英檢中級
n. (u.)不可數名詞戰爭、衝突
It was not until very recently that armies started to use chemical warfare in battle
n. (u.)不可數名詞戰爭
Modern warfare relies heavily on technology.
n. (u.)不可數名詞戰術
Economic warfare can be as damaging as military action.

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