pest infestation 虫害
termite infestation 白蚁侵害
rat infestation 老鼠滋生
insect infestation 昆虫侵袭
A: Have you noticed any signs of pest infestation in the garden?
A：你有没有注意到花园里有虫害的迹象？
B: Yes, there is a serious infestation of aphids on the rose bushes.
B：是的，玫瑰丛上有很多蚜虫。
1) 害虫或寄生虫的大规模侵入
2) 疾病或病毒的广泛流行
3) 有害生物在某处的滋生
1. 害虫侵袭；大量滋生
noun
1. A large number of insects, animals, or bacteria that are harmful and present in a place.
Synonym: invasion, plague