riot gun

同根派生

Another smoothbore weapon in use today is the 37 mm riot gun.
膛线给抛射物赋予自转，使它稳定下来，并防止它震动。首先，这样减小了随机自转引发的马格纳斯效应，提高了精确度。
The Stinger is armed with a single Riot Gun which fires at an extremely high rate.A transportation clamp allows the Stinger to pick up a single light vehicle or bot and transport it into battle.
毒刺装备了有极高射速的放暴枪;一个运输固定系统允许毒刺携带一个轻型车辆或机器人并将其送上战场.
In face of a greater threat, the riot police will be backed up with other officers equipped with riot guns to fire tear gas, rubber bullets, plastic bullets or "beanbag" rounds.
在一些形势严峻的骚乱事件控制中，紧跟在最前线的防暴队员们身后的，也可能是装备有发射催泪、橡皮子弹、塑料子弹的防暴枪的警察。
The riot can be considered a symptom of political instability.
这次暴动可看作是政治上不稳定的征兆。
The riot police started to crack down on them.
防暴警察开始对他们采取镇压行动。