武装分子不择手段地渗透到严密警戒的区域。

The insurgents are using every means to infiltrate into tight security areas.

youdao

这一地区周围设有严密的安全警戒圈。

There is a tight security cordon around the area.

youdao

这一地区周围设有严密的安全警戒圈。

There is a tight security cordon around the area.

youdao