No one but Duke was injured; a school security guard fired several shots and hit Duke three times in the back.

没有人受伤除了杜克，一个学校的保安员开枪，击中了三枪杜克的后背。

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The second is the treatment of the school security system, continuing education and training system, scientific research atmosphere.

二是学校的待遇保障制度、继续教育培训体系、科研氛围。

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Last month it was reported that a robot dubbed OFRO would be deployed as a school security guard in what was also claimed as a world first.

上个月，有消息称，一个名叫OFRO的机器人被安排到学校当保安，据说这也是世界首例。

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No controls on guns, school security or other changes will deter a deranged murderer.

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Malloy and other state officials to discuss education reform and school security with parents, students, and school officials.

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While he got decent grades in school but was restless and somewhat rambunctious leading to some run ins with his school security.

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