Banksy protest artwork unveiled 

①protest n/v 抗议，宣言

②unveil/reveal 揭露，公开

③draw attention to

④imprisonment 监禁 in prison/custody

⑤cell/bar 监狱，be jailed/arrested

⑥reduce to rubble 使变为灰烬

⑦be creative with 和某人共同创作

⑧graffito涂鸦

⑨preriotic visit 定期探访

⑩provocative a.挑拨的

①behind bars在狱中

②mural n.壁画

③graffiti n.涂鸦

④inmate n.同住者

⑤take the bull by the horns很内行