riot gear
noun[U]
uk/ˈraɪ.ət ˌɡɪər/us/ˈraɪ.ət ˌɡɪr/thespecialclothesandequipmentthat thepoliceuse when they aredealingwith alargeviolentgroupofpeople:
防暴装备Policeinriotgearbrokeup theprotest.全副武装的防暴警察制止了这次抗议行动。

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