1. Mainland provincial quarantine authorities were put on alert two months ago about the ant infestation. 内地的检疫部门两个月前留意到(红火)蚁大批出没/发生蚁患。
2. Objective To know the community structure and geography distribution and infestation rate of vectors in Qingdao. 目的了解青岛市重要病媒生物的种群结构、地理分布和侵害情况。
3. Objective To investigate the infestation of fly and rodent in a military camp located in the suburb of a city in northern Xinjiang. 目的调查驻新疆维吾尔自治区北疆某市边缘地带的某部队营区内蝇类及鼠类的危害现状。
英英解释
n.
1. the state of being invaded or overrun by parasites
2. a swarm of insects that attack plants