The front-line officers in a riot control are often fully armoured and carry weapons such as batons, designed to be in direct contact with the crowd.是什么意思_The front-line officers in a riot control are often fully armoured and carry weapons such as batons, designed to be in direct contact with the crowd.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句