World war
01
世界大战, 全球冲突
a war in which many countries fight against each other
例子
Many historians study the causes and consequences of world wars.
许多历史学家研究世界大战的原因和后果。
Technological advancements in weaponry were accelerated during the world wars.
武器技术的进步在世界大战期间加速了。
