battleground

n.

战场；论争的主题；

复数：battlegrounds

1. Sex, typically, was one battleground.
   两性问题是一个典型的战场。
2. In the battleground,there is no place for hope.
   在战场上，没有所谓希望的地方。

Battleground : criminal justice
The new battleground: California's experience with smoke-free bars.
The xylem as battleground for plant hosts and vascular wilt pathogens
Cytosol as battleground: ubiquitin as a weapon for both host and pathogen
Culture as the Ideological Battleground of the Modern World-System
Europe as a Discursive Battleground: Discourse Analysis and European Integration Studies
Battleground: Chronic Kidney Disorders Mineral and Bone Disease—Calcium Obsession, Vitamin D, and Binder Confusion
Cost and Consequences of Sedentary Living: New Battleground for an Old Enemy.
Phytopathogen Effectors Subverting Host Immunity: Different Foes, Similar Battleground
Aminoglycosides versus bacteria – a description of the action, resistance mechanism, and nosocomial battleground