battleground

战场、战地

The quiet valley was once a battleground during the civil war.

这个宁静的山谷在内战期间曾是战场。

争论焦点、角力场、战场比喻

Education has become a battleground for the two political parties.

教育已成为两党角力的焦点。

摇摆州、关键选区美式，政治

Both candidates spent the final week campaigning in the battlegrounds.

两位候选人最后一周都在摇摆州拉票。

选情激烈的、胜负关键的美式，政治

She visited three battleground states in a single day.

她一天之内走访了三个选情激烈的州。