pest

noun

1. any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.

e.g. he sprayed the garden to get rid of pests
many pests have developed resistance to the common pesticides

2. a persistently annoying person

Synonym: blightercusspesterergadfly

3. any epidemic disease with a high death rate

Synonym: plaguepestilence

4. a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal

Synonym: plaguepestilencepestis

1. 害虫；害兽
Pests are insects or small animals which damage crops or food supplies.

e.g. ...crops which are resistant to some of the major insect pests and diseases...
对一些主要病虫害有抵御能力的作物
e.g. Each year ten percent of the crop is lost to a pest called corn rootworm.
一种叫玉米根虫的害虫每年会让粮食减产10%。

2. 讨厌鬼（尤指儿童）
You can describe someone, especially a child, as a pest if they keep bothering you.

e.g. He climbed on the table, pulled my hair, and was generally a pest.
他爬桌子，拽我的头发，总之是个讨厌鬼。

1. pest是什么意思

1. 有害生物：有害生物(pest)广义上是指在一定条件下,对人类的生活、生产甚至生存产生危害的生物,包括有害微生物、植物、动物等,又分为农村害虫和城市害虫两大类.PCO讨论的害虫限于栖息于人居环境,危害、骚扰人类的有害节肢动物、啮齿动物等,

2. pest是什么意思

2. 佩斯：在布达 (Buda) 与 佩斯 (Pest) 的中间,除了是多瑙河外,还有河上的小岛 Margit-sziget. 这个长近 2.5 公里,宽约 500 米的岛屿,是以匈牙利国王 Bela IV 的女儿 Margit 而命名. 岛屿的南...巴拉顿湖 (Lake Balaton) 这个中欧最大的淡水湖,

3. 分析模型：对该公司的发展战略进行了深入研究.主要研究内容如下:首先,介绍了铁路集团公司的发展概况和有关的战略管理理论.其次,对铁路集团公司的外部环境进行了分析,运用一般环境分析模型(PEST)和波特产业竞争结构模型对公司所处的产业现状及竞争结构进行了剖析,

4. pest：pesticideformulation; 农药配制

5. pest：political economic social technological; 宏观