When we first arrived at the MH17 sites, there was no perimeter security.

当我们到达马航MH17航班坠毁现场时，那里并没有设置安全边界。

So there was a security perimeter of this hotel as there are for high-profile targets in this part of the world.

事发酒店周围设置了安全警戒线，这是为世界这一地区的高级别目标所准备的。

The shots were fired from outside the venue's security perimeter established by the Secret Service, three senior law enforcement sources said.

三名高级执法官员称子弹是从特勤局所划定的安全边界外发射的。

So far the US is not planning to extend the security perimeter beyond the Kabul airport to avoid what Biden called unintended consequences.

到目前为止，美国还没有计划将安全警戒线延伸到喀布尔机场以外，以避免拜登所说的意想不到的后果。

There were officers that were struck, and two security perimeters that were attempted to be breached.”

有警官被击中，还有两个安全边界被试图突破。”