1.   One of the reasons that cats are allowed to go feral is that our rural ancestors valued these natural pest controllers.

2.   They are considered clean and pleasant pest controllers.

3.   Nhulunbuy pest controller David Suitor said the animal probably gored the cyclist because it had been startled.

4.   So a local pest controller volunteered to don a makeshift sting-proof suit, dangle from a helicopter and take care of buzz-iness.

n. + controller >>共 115
air 35.09%
traffic 34.00%
ground 8.58%
flight 8.35%
air-traffic 3.27%
mission 0.90%
airport 0.57%
launch 0.57%
logic 0.38%
arm 0.38%
pest 0.19%
pest + n. >>共 74
control 23.36%
company 9.02%
management 7.38%
infestation 4.10%
problem 3.69%
expert 2.87%
attack 2.46%
business 2.46%
technician 2.46%
exterminator 2.05%
controller 1.64%
每页显示:    共 4