预防（植物病害和虫害），（害虫）防治，灭杀（有害昆虫）

1. prevention (of plant disease and insect damage), (pest) control, extermination (of harmful insects)

transitive verb noun or participle which takes the aux. verb suru noun (common) (futsuumeishi)

对抗自然灾害(例如外来物种入侵)

2. protection (against natural disasters)

noun or participle which takes the aux. verb suru noun (common) (futsuumeishi) transitive verb