英文: A
body of persons making up such a department, trained in methods of law enforcement and crime prevention and detection and given the authority to maintain the peace, safety, and order of the community.
中文: 警察组成这样一个部门的一群人，他们被专门训练来掌握执行法律和防止并侦破犯罪行为的方法，被授予维护一个社区的和平、安全和秩序的职权
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英文: Our book is written in the hope that it will interest that large
body of persons who know little or nothing about birds.
中文: 我们写这本书的目的是，希望能够引起那些不在少数、对鸟一无所知或知之甚少的人的兴趣。
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