Warfare
01
战争, 武装冲突
involvement in war, particularly using certain methods or weapons
例子
The rules of trench warfare during World War I led to brutal and prolonged battles with heavy casualties.
第一次世界大战期间堑壕战的规则导致了残酷而持久的战斗和重大伤亡。
02
a struggle or competition between opposing groups or ideas
例子
Political warfare often involves smear campaigns.
