Prevent access to by barricading .

通过设置障碍物阻止进入。

Barricading themselves in their room at night .

晚上把自己封锁在房间里。

The approach includes training courses several times each year for students , faculty , and administrators in how to deal with a shooting attack , demonstrating the options of running , hiding , barricading and attacking the shooter if no other option exists .

这一措施还包括每年面向学生、教职工、行政管理人员举办若干次培训课程，帮助他们掌握处置枪击事件的方法，演示如何逃跑、躲藏、设置障碍物等以及在没有其它选择的情况下攻击行凶者。

The two women and the girl had slept beneath the tables the previous night , tightly barricading themselves on all sides with quilt comforters , hoping that this would protect them from bullets .

据说昨天晚上周氏、淑华她们就睡在桌子下面，用棉被把四面围得紧紧的，不透一点风，以为这样便可以躲避枪弹了。

The height and overall design of the barricading structure shall be finalized in consultation with the employer and shall be got approved from the employer .

承包商应与业主商议确定围隔结构的高度和整体设计，并得到业主批准。