31.   A Norwegian dog unit patrols the perimeter fencing day and night.

32.   Extra police were assigned to patrol the perimeters of the two schools that are just six blocks apart, but some parents were keeping their youngsters at home Friday.

33.   Unarmed military police will patrol the inside of the compound, while heavily armed marines will patrol the perimeter and man the watchtowers.

34.   Meanwhile soldiers armed with automatic rifles patrol the perimeter with tracker dogs.

35.   The compound is situated on a hill overlooking the surrounding snow-crusted high plains, and Freemen members brandishing rifles were patrolling the perimeter in pickup trucks.

v. + perimeter >>共 83
patrol 15.63%
guard 10.27%
line 4.02%
set_up 4.02%
establish 3.57%
extend 3.13%
defend 3.13%
secure 3.13%
expand 2.23%
mark 2.23%
patrol + n. >>共 318
street 25.47%
area 11.86%
border 4.22%
city 3.69%
sky 3.08%
zone 2.89%
water 2.24%
road 2.13%
ground 1.90%
town 1.86%
perimeter 1.33%
每页显示:    共 35