Reinforcements are soldiers or policemen who are sent to join an army or group of police in order to make it stronger.
例句
...the despatch of police and troop reinforcements.派遣警察和軍隊(duì)支援
N-VAR
增強(qiáng);加強(qiáng);加固
The reinforcement of something is the process of making it stronger.
例句
I am sure that this meeting will contribute to the reinforcement of peace and security all over the world...我相信這次會(huì)議將會(huì)促進(jìn)世界范圍內(nèi)的和平與安全。What the teacher now has to do is remove the reinforcement for this bad behaviour...現(xiàn)在老師要做的是避免這種不良行為更加嚴(yán)重。