weevils

简明释义

英[ˈwiːvəlz]美[ˈwiːvəlz]

n. [昆]象鼻虫（weevil 的复数）；象虫科

英英释义

单词用法

同义词

反义词

例句

1.Between the threats of comet and weevils, the farmers were running low on optimism.

面对着彗星和棉铃象甲的双重威胁，农场主们都一筹莫展。

2.Sometimes it was full of maggots and weevils.

有时，饼干里生满了蛆和象鼻虫。

3.The fertilizer conditions of water hyacinth has directly effects on weevils reproductive capacity.

水葫芦的营养状况直接影响象甲的生长发育。

4.Weevils are screwed up.

象鼻虫的身体是拧起来的。

5.The fertilizer conditions of water hyacinth has directly effects on weevils reproductive capacity.

水葫芦的营养状况直接影响象甲的生长发育。

6.Farmers often use natural predators to control weevils (象鼻虫) in their crops.

农民们常常利用自然捕食者来控制他们作物中的象鼻虫（weevils）。

7.To prevent weevils (象鼻虫), store dried foods in airtight containers.

为了防止出现象鼻虫（weevils），请将干燥食品存放在密封容器中。

8.She discovered weevils (象鼻虫) in her flour while baking cookies.

她在烤饼干时发现面粉里有象鼻虫（weevils）。

9.The old wooden beams in the barn were damaged by weevils (象鼻虫).

谷仓里的旧木梁被象鼻虫（weevils）损坏了。

10.The pantry was infested with weevils (象鼻虫), making it necessary to throw away all the grains.

储藏室里感染了象鼻虫（weevils），不得不将所有谷物扔掉。

作文

In the world of agriculture and food storage, weevils (象鼻虫) are often considered a significant pest. These small beetles, belonging to the family Curculionidae, have a distinctive elongated snout that sets them apart from other insects. While there are many species of weevils (象鼻虫), they all share a common trait: they feed on a variety of grains, nuts, and other plant materials, causing considerable damage to crops and stored food supplies.The life cycle of a weevil (象鼻虫) begins when an adult female lays her eggs on or inside a suitable food source. Once the larvae hatch, they burrow into the grain or nut, where they continue to feed and grow. This feeding behavior not only damages the food but can also lead to contamination, making it unfit for human consumption. This is particularly concerning for farmers and food producers who rely on these products for their livelihoods.One of the most well-known types of weevils (象鼻虫) is the rice weevil, which is notorious for infesting stored rice. When rice is stored improperly or for extended periods, it becomes an ideal breeding ground for these pests. A single female weevil (象鼻虫) can lay up to 300 eggs in her lifetime, leading to rapid infestations that can devastate entire stocks of rice. Farmers must be vigilant in monitoring their crops and stored goods to prevent these pests from taking hold.To combat weevils (象鼻虫), various methods can be employed. Preventative measures include proper storage techniques, such as using airtight containers and maintaining low humidity levels. Additionally, regular inspections of stored products can help identify infestations early, allowing for prompt action. In cases of severe infestations, chemical treatments may be necessary, although these should be used judiciously to minimize environmental impact.Despite their reputation as pests, weevils (象鼻虫) play a role in the ecosystem. They contribute to the decomposition of organic matter, helping to break down dead plant material and recycle nutrients back into the soil. However, in agricultural settings, their negative impact often outweighs their ecological benefits.In conclusion, weevils (象鼻虫) are small yet formidable pests that pose a threat to food security. Understanding their life cycle and behavior is crucial for effective management and prevention strategies. By implementing proper storage practices and being vigilant in monitoring for signs of infestation, farmers and food producers can protect their crops and ensure a steady supply of food for consumers. The challenge lies in balancing the need to control these pests while recognizing their role in the broader ecosystem. Through education and awareness, we can better manage weevils (象鼻虫) and mitigate their impact on our food systems.

在农业和食品储存的世界中，weevils（象鼻虫）常常被认为是一个重要的害虫。这些小甲虫属于象鼻虫科，具有独特的长嘴，使它们与其他昆虫区分开来。虽然有许多种类的weevils（象鼻虫），但它们都有一个共同特征：它们以各种谷物、坚果和其他植物材料为食，对农作物和储存的食品造成相当大的损害。一只weevil（象鼻虫）的生命周期始于雌性成虫在合适的食物来源上或内部产卵。一旦幼虫孵化，它们就会钻入谷物或坚果中，在那里继续进食和生长。这种取食行为不仅损害了食物，还可能导致污染，使其不适合人类食用。这对依赖这些产品谋生的农民和食品生产者来说尤其令人担忧。最著名的weevils（象鼻虫）之一是稻谷象鼻虫，以侵扰储存的稻米而闻名。当稻米存放不当或时间过长时，就成为这些害虫的理想繁殖地。一只雌性weevil（象鼻虫）在其一生中可以产下多达300个卵，导致迅速的感染，这可能会摧毁整个稻米库存。农民必须保持警惕，监测他们的作物和储存的食品，以防止这些害虫的滋生。为了对抗weevils（象鼻虫），可以采取各种方法。预防措施包括适当的储存技术，例如使用密封容器和保持低湿度。此外，定期检查储存的产品可以帮助及早发现感染，从而及时采取行动。在严重感染的情况下，可能需要化学处理，尽管应谨慎使用，以尽量减少对环境的影响。尽管weevils（象鼻虫）以害虫著称，但它们在生态系统中也扮演着一定的角色。它们有助于有机物质的分解，帮助分解死去的植物材料，并将养分循环回土壤。然而，在农业环境中，它们的负面影响往往超过其生态效益。总之，weevils（象鼻虫）是小而强大的害虫，对食品安全构成威胁。了解它们的生命周期和行为对于有效的管理和预防策略至关重要。通过实施适当的储存实践并保持警惕，监测感染迹象，农民和食品生产者可以保护他们的作物，确保消费者的食品供应稳定。挑战在于平衡控制这些害虫的需要，同时认识到它们在更大生态系统中的作用。通过教育和意识，我们可以更好地管理weevils（象鼻虫），减轻它们对我们食品系统的影响。