rapbattle,battle啥意思

rap battle: french hip-hop stars arrested after brawl at paris
冲出康普顿即兴rapbattle片头
小英俊中字171211jun李俊英rappositionbattle无剪辑舞台
什么是rap battle?
纠结!我到底是用街舞还是rap跟对方battle呢?