pests

害虫
常用释义
n. 害虫(pest 的复数)

扩展信息

害虫
threshold population 临界人口 - 豆丁网 ... pesticides 杀虫剂 pests 害虫 petrochemicals 石油化学的 ...
有害生物
2 有害生物 (pests) 是指那些危害人类及其财产利益的生物。 (植物保护学范畴的有害生物是指那些危害人灰目标 植物,并能 …
害虫种类
天敌昆虫 相关表格 ... 植物 Plants 害虫种类 Pests 天敌种类 Naturalenem ies ...
目标害虫
New Page 16 ... 寄生蜂 parasitoids 目标害虫 pests 统计年份 statistic year ...
害虫种群增加
... • 物种消失 (diversity ) ↓ • 害虫种群增加 ( pests) ↑ • 矿物质的耗用 (depletion of minerals) 人工肥料的过量使用(excessive...
有害动物
(16)有害动物(pests):是指昆虫、鸟、啃齿动物和其他能直接或间接污染食品的任何动物。 (17)餐盒(mealassembly):是指将供一 …
病虫害
农业试验所机构典藏系统:It... ... 方尚仁 Wang,Tang-Kai 水稻;共同防治;病虫害;监测 rice;monitoring;pests;cooperative control ...
丶如痴
梦幻诛仙最新帮派实力排行榜前100名揭晓 ... ... KOF 焚 Pests 丶如痴 Devil 丶华少 ...

考试重点

六级
考频:近五年出现3次
n. 害虫; 害兽

例句

柠檬香蜂草是一种芬芳的精油,经常用于花园中防御有害物或昆虫,或者用于草本植物杀虫剂。

充足的粮食生产往往依赖于对害虫的治理。

Add bay leaves to the top of your bins - note that this can change the flavor somewhat, but bay leaves do naturally detour pests.

放些月桂叶在储仓上层,虽然月桂叶会对所储食物味道有所影响,但却是驱虫的良方。

The agency said the genetically engineered sugar beets do not harm the environment or increase threats by pests.

该部门表示,这种转基因甜菜不会对环境造成影响,也不会增加害虫蔓延的威胁。

Meanwhile, the field moisture remains relatively high, the wheat diseases and pests are easy to develop and spread.

不过,随着降雨的结束,未来几天河南气温将逐渐升高,加上田间湿度较大,小麦病虫害有发展蔓延趋势。

他说:“交换这些遗传资源将对提高产量和克服病虫害起到极大的帮助作用。”

However, with the long-term and large-scale use , most pests have had resistance to Bt, and the resistance showed a progressive trend.

然而,随着苏云金芽孢杆菌杀虫剂长期大量使用,发现全世界范围内多种昆虫都对其产生了抗性,这些抗性均呈现递增的趋势。

The parts of the plant that have been gnawed and therefore damaged by the insect pests are especially vulnerable to attack.

因害虫啃咬而受到损害的植物部分更易感染真菌。因此,害虫损害率低的。

In considering chemical resistance, it is not enough to grind up the entire plant and look for allomones against insect pests.

在研究化学抗性时,研碎全株并寻找抗虫的利已激素是不够的。

Just think, if people catch a frog, then there will be a year the number of pests to escape?

试想,如果人们追赶一只青蛙,然后将有一年多的害虫逃跑?

The weaver ants, it turns out, are very thorough about hunting down and eating fruit flies, as well as a host of other pests.

调查结果显示,编织蚁对于捕获和消灭果蝇以及很多其他的害虫都有非常彻底的效果。

她说,即使可能造成致命的新疾病、新害虫,或其他意料之外的后果,我们仍然应该进行移植。

Two years ago, Natural England designated ring-necked and monk parakeets as pests, enabling them to be shot without a licence.

2年前,自然英格兰(NaturalEngland)认定环颈鹦鹉及和尚鹦鹉有害,可以对它们进行捕杀而不需得到许可。

As pests and diseases evolve and spread, crops genetically modified to resist them could boost production, or at least maintain yields.

随着害虫和疾病的进化和扩展,基因改良的作物的产量会更高,或者至少保持产量不变。

因此,它是可能的,研究人员说,这压力的增大有机农作物免受害虫可能造成更多的黄酮类化合物。

"The pests're at the bastard's, " she said, laughing sourly at her own joke.

“害虫在混蛋家里,”她被自己的笑话逗笑了。

然而,这可以引发一系列问题,柔弱的植物不能保持直立状态,并且更容易受到害虫的影响。

"plant products" denotes products originating from plants, whether processed or not, which are likely to spread plant diseases and pests.

二植物产品:指来源于植物未加工或经加工后有传播病虫害之虞之产品。

全世界批准对新鲜水果和蔬菜进行冷藏处理以对付一些检疫性害虫。

很令人震惊,一些日本政府官员视海豚为必须大量消灭的害鱼!

大多数人认为蟑螂是家中害虫,但是对于一些美国科学家来说,蟑螂是灵感的来源。

When he finished his work, he found there were pests on the branches of the cherry tree as well.

他给自己的石榴打完药,仔细观察,竟然发现樱桃蔓过的枝条上也有害虫。

if the inspector determines that this can be done without risk of spreading plant pests.

或者,在认定不会有植物有害生物传播危险的情况下。

他努力说服与鳄鱼在同一生存环境的人们不把它们看成害虫,而是朋友。

Female horseflies transmit a few diseases, but their main significance as pests is in sting of their bite.

雌性苍蝇传播一些疾病,不过它们最大的讨厌之处是它们的叮咬。

People also gathered with lit torches to burn a pest, the last of the pests all burned to death, that day happened to be June 24.

人们又集合起来点燃一支支火把去烧害虫,最后把害虫全部烧死了,这一天正好是六月二十四日。

印度楝树油是一种用做天然杀虫剂的植物,它的油对治疗皮肤的病毒细菌或者有害物有益。

某些寄生虫和害虫可以在不止一个寄主上生存,另一些则需要第二个寄主来完成它们的生活史。

文中就昆虫群落多样性与稳定性的关系以及如何抑制害虫发生等问题进行了讨论。

First, they damage the land by killing the helpful bacteria and pests as well as the harmful ones.

首先,化肥在杀死病菌和害虫的同时也会杀死有益的细菌和昆虫,从而破坏土地。

常用短语

pest control
pest control - 害虫防治
pest management
pest management - 病虫害控制;病虫害治理;有害生物管理
insect pest
insect pest - 害虫
adj.+n.