grasshopper and locust infestation造句

例句与造句

1. Farmers there were using pesticides ( DDT and monocrotophos ) to control grasshopper and locust infestations, and Swainson's hawks were ingesting these pesticides in several different ways, but mainly by gorging themselves on the insects as they lay dying.
2. It's difficult to find grasshopper and locust infestation in a sentence. 用grasshopper and locust infestation造句挺难的