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。

youdao

In the end, the school security guards and students blocked the entrance of the school gate and demanded the driver to get off the car.

最后，校方的保安和学生堵住了学校大门的入口，并要求司机下车。

youdao

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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