infestations

英 [ˌɪnfɛsˈteɪʃənz]

美 [ˌɪnˌfɛˈsteɪʃənz]

n.  骚扰，侵袭，扰害，横行；（盗贼、鼠、虫等的）成群出现
infestation的复数

柯林斯词典

• VERB (昆虫、老鼠等)大批出没于,侵扰
  When creatures such as insects or ratsinfestplants or a place, they are present in large numbers and cause damage.
  1. ...pests like aphids which infest cereal crops.
     像蚜虫这样大肆侵害谷物的害虫
• VERB 遍布于;充斥
  If you say that people or things you disapprove of or regard as dangerousare infestinga place, you mean that there are large numbers of them in that place.
  1. Crime and drugs are infesting the inner cities.
     市中心充斥着犯罪与毒品。

双语例句

• An anthelmintic used to treat hookworm and pinworm and roundworm infestations.
  包虫病棘球绦虫感染用来治疗十二指肠、蛲虫和蛔虫横行的杀虫。
• It is well established in the United States and Canada with serious infestations in the Great Lakes and St.
  这种植物之所以值得研究，是因为它严重侵扰了五大湖区及圣劳伦斯地区。
• These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.
  这些猪在自然条件下已受到含有隐蔽流感病毒的肺丝虫寄生。
• Their pocket-size farm had been plagued with insect infestations.
  他们的超微型农场虫害频频。
• Infestations of these caterpillars may defoliate oaks and other hardwood trees but usually do no permanent damage.
  这些毛虫的侵扰可能使橡树落叶和其他树木的硬木树但通常都没有永久性损伤。
• Aiming treatment at those animals would reduce the likelihood of resistance emerging without harming a farmer's ability to control infestations.
  集中治疗这些动物则会降低耐药性发生的可能性，同时也不会损害农民控制虫害的能力。
• Heavy infestations of aphids result in the secretion of honeydew from their bodies.
  在蚜虫蜜露分泌导致的虫害，从他们的身体。
• It's a rare person who has never had to deal with head lice with children being the most susceptible to infestations.
  这是一个罕见的人从来没有谁处理头虱与儿童是最容易受到侵袭。
• This makes rats particularly susceptible to poisoning ( hence its popularity in controlling rat infestations).
  这使得老鼠特别容易中毒（因此这是控制鼠患的好方法）。
• Farmers understand that adverse weather or severe pest infestations, for-example, can produce crop failure, or lack of response.
  农民也知道如遇不利天气或虫害严重，作物会出现减产现象，或实行的各项措施达不到预期效果。