repellents

简明释义

英[rɪˈpɛlənts]美[rɪˈpɛlənts]

驱虫剂

防水布

排斥力（repellent 的复数）

英英释义

单词用法

同义词

反义词

例句

1.All travellers should take appropriate precautions against mosquito bites (use of mosquito nets, insect repellents).

所有旅行者均应采取适当的措施，防止蚊子叮咬(如使用蚊帐、驱虫剂)。

2.They've used chemical repellents, lasers and fake predators, and even killed some, to the outrage of bird lovers.

他们曾用过化学驱虫剂、激光和假的天敌来驱赶它们，甚至还捕杀过一些，这引起了爱鸟人士的愤慨。

3.Pretty soon, those insects will find other venues to terrorize, probably those without onion-based repellents.

很快，那些小虫子就会找其它地方撒野去了，可能是那些没有洋葱驱虫剂的地方。

4.Repellents can be applied to exposed skin or to clothing in strict accordance with product label instructions.

严格按照使用说明在暴露皮肤或衣服上使用驱蚊剂。

5.But I do have a hard time protecting myself from insect repellents that humans sometimes spray on plants.

但我确实也有不好过的时候，就是保护自己免受有时人类喷洒在植物上的驱虫剂的侵害。

6.Pregnant and nursing women should minimize use of repellents.

孕妇和哺乳期妇女应尽量使用驱虫剂。

7.To study the effectiveness of Chinese medicinal herbs as mosquito repellents, as well as their antibacterial properties.

以花椒、艾叶、烟叶、雄黄为原料，研究具有抑菌、驱蚊功能的基元材料。

8.Some people prefer natural repellents made from essential oils.

有些人更喜欢用精油制作的天然驱虫剂。

9.Many outdoor enthusiasts rely on repellents to keep mosquitoes at bay during camping trips.

许多户外爱好者依赖于驱虫剂在露营时防止蚊子叮咬。

10.When hiking in the woods, it's important to apply repellents to avoid ticks.

在森林中远足时，涂抹驱虫剂以避免蜱虫是很重要的。

11.Before going out in the evening, I always spray myself with repellents to prevent bug bites.

在晚上出门之前，我总是喷上驱虫剂以防止被虫子叮咬。

12.The market offers a variety of repellents for different types of insects.

市场上提供多种针对不同类型昆虫的驱虫剂。

作文

In the world of outdoor activities, especially during the summer months, the presence of insects can be both a nuisance and a health concern. Many people turn to various methods to protect themselves from these pests, and one of the most popular solutions is the use of repellents. These substances are designed to deter insects such as mosquitoes, ticks, and flies, making outdoor experiences more enjoyable and safer. Understanding how repellents work and their importance can enhance our outdoor adventures significantly.The primary function of repellents is to create a barrier that insects find unpleasant. Most commercial repellents contain active ingredients like DEET, picaridin, or oil of lemon eucalyptus. These compounds interfere with the insect's ability to detect humans, making it difficult for them to land and bite. For instance, DEET has been widely used since its introduction in the 1950s and is known for its effectiveness against a variety of biting insects. However, the concentration of DEET in a product can affect its duration of effectiveness, with higher concentrations providing longer-lasting protection.While repellents are effective, it is essential to apply them correctly to maximize their benefits. It is recommended to apply repellents on exposed skin and clothing, avoiding areas around the eyes and mouth. Additionally, it is crucial to follow the instructions on the label regarding reapplication, especially after swimming or sweating. Some people may have concerns about the safety of chemical repellents, particularly for children or those with sensitive skin. Fortunately, there are natural alternatives available, such as citronella oil or neem oil, which can provide some level of protection without harsh chemicals.The importance of using repellents cannot be overstated, especially in areas where insect-borne diseases are prevalent. Diseases like West Nile virus, Lyme disease, and Zika virus are transmitted by insects, and protecting oneself from bites is a crucial preventive measure. By using repellents, individuals can reduce their risk of contracting these illnesses while enjoying outdoor activities such as hiking, camping, or picnicking.Moreover, the effectiveness of repellents is often enhanced when combined with other protective measures. Wearing long sleeves and pants, using mosquito nets, and staying in well-screened areas can all contribute to a comprehensive strategy for insect protection. This multifaceted approach not only increases safety but also allows individuals to fully enjoy nature without the constant worry of insect bites.In conclusion, repellents play a vital role in our ability to enjoy the outdoors, especially during peak insect seasons. Their ability to deter pests helps prevent discomfort and potential health risks associated with insect bites. By understanding how to use repellents effectively and incorporating them into a broader strategy for insect protection, we can ensure that our outdoor experiences remain safe and enjoyable. Whether you are planning a weekend camping trip or simply spending an evening in your backyard, don’t forget to pack your repellents and make the most of your time outside.

在户外活动的世界中，尤其是在夏季，昆虫的存在既是一种烦恼，也是一种健康隐患。许多人转向各种方法来保护自己免受这些害虫的侵扰，其中最流行的解决方案之一就是使用驱虫剂。这些物质旨在驱赶蚊子、蜱虫和苍蝇等昆虫，使户外体验更加愉快和安全。理解驱虫剂的工作原理及其重要性可以显著提升我们的户外冒险。驱虫剂的主要功能是创造一个昆虫觉得不愉快的屏障。大多数商业驱虫剂含有活性成分，如DEET、派卡瑞丁或柠檬桉油。这些化合物干扰昆虫探测人类的能力，使它们难以停落和叮咬。例如，DEET自20世纪50年代引入以来被广泛使用，以其对各种叮咬昆虫的有效性而闻名。然而，产品中DEET的浓度会影响其有效持续时间，浓度越高，保护时间越长。虽然驱虫剂有效，但为了最大化其益处，正确涂抹至关重要。建议将驱虫剂涂抹在裸露的皮肤和衣物上，避免接触眼睛和嘴周围的区域。此外，遵循标签上的说明进行重新涂抹也非常重要，尤其是在游泳或出汗后。一些人可能对化学驱虫剂的安全性表示担忧，特别是对于儿童或皮肤敏感的人。幸运的是，市场上也有天然替代品可用，如香茅油或苦楝油，这些可以在不使用刺激性化学物质的情况下提供一定程度的保护。使用驱虫剂的重要性不容小觑，尤其是在昆虫传播疾病普遍的地区。西尼罗病毒、莱姆病和寨卡病毒等疾病都是由昆虫传播的，保护自己免受叮咬是预防措施中的关键。通过使用驱虫剂，人们可以降低感染这些疾病的风险，同时享受远足、露营或野餐等户外活动。此外，驱虫剂的有效性通常可以通过与其他保护措施结合使用而增强。穿着长袖和长裤、使用蚊帐以及待在良好筛网的区域都可以为昆虫保护提供一个全面的策略。这种多方位的方法不仅增加了安全性，还允许人们充分享受大自然，而不必时刻担心被昆虫叮咬。总之，驱虫剂在我们享受户外活动时扮演着至关重要的角色，尤其是在昆虫繁殖的高峰季节。它们驱赶害虫的能力有助于防止因昆虫叮咬而造成的不适和潜在健康风险。通过了解如何有效地使用驱虫剂并将其纳入更广泛的昆虫保护策略中，我们可以确保我们的户外体验保持安全和愉快。无论你是计划一个周末露营旅行，还是仅仅在后院度过一个晚上，都不要忘记带上你的驱虫剂，充分利用你的户外时光。