- しゅせんじょう
- しゅせんじょう【主戦場】a main theater of war; a chief battleground; a principal battlefield.
●ヨーロッパは第一次世界大戦では主戦場となった. Europe was the principal battleground [main theater of war] in World War I.
・今日電器業界の主戦場は液晶テレビである. These days the battleground in the electronics industry is in the field of liquid crystal television.
Japanese-English dictionary. 2013.