scavenging

简明释义

英[ˈskævɪndʒɪŋ]美[ˈskævɪndʒɪŋ]

n. 清除；净化；[动力]除气法

v. 打扫；排除废气（scavenge 的现在分词形式）

英英释义

单词用法

同义词

反义词

例句

1.The work of these children ranged from selling cigarettes, newspapers, chewing gum, collecting or scavenging garbage, and begging.

这些孩子的营生包括售卖香烟、报纸、口香糖、捡拾废品以及乞讨。

2.There have been several news stories of dogs scavenging family members, and other cases go unreported in the press.

曾有几则狗以家庭成员为食的新闻，还有一些案件未被新闻社报道。

3.Not that they're living on the streets and scavenging for trash, even if the number of homeless people under fifty has hit an all-time high.

不是说他们流落街头，在垃圾中寻找食物，即使五十岁以下无家可归的人的数量也创下了新高。

4.Some mining families resorted to scavenging for coal on slag heaps, a desperate move as most of the "slag" was very dangerous and liable to tip.

一些矿工家庭靠捡矿渣堆中的煤块解燃眉之急，这是一个绝望之举，因为大多数“矿渣”十分危险，极易倒塌。

5.Without these scavenging animals, the rotting carcasses they used to feed on May pose serious disease risks to humans, Blackburn said.

Blackburn说，没有了这些食腐动物，那些腐烂的尸体可能对人类产生严重的疾病威胁。

6.In another chilling scene, a dejected and apparently emaciated woman is seen scavenging for grass to feed her animals.

在另一个令人发寒的场景里，一个失落、面容憔悴的女人在为她的动物寻找草料。

7.In Yinghua county, Luo Zaiwu, a quake survivor who has lost two sons, has been scavenging for quilts and clothes among victims' bodies.

在英华县，罗哉伍，一个已经失去了2个儿子的地震幸存者，已经着手清理夹在受害者尸体之间的被子和衣服了。

8.The documentary showed how vultures play a crucial role by scavenging dead animals.

这部纪录片展示了秃鹰如何通过清理死去的动物发挥重要作用。

9.He spent the afternoon scavenging through the flea market for hidden treasures.

他花了一下午的时间在跳蚤市场上搜寻隐藏的宝藏。

10.The children enjoyed scavenging for shells on the beach.

孩子们喜欢在海滩上寻找贝壳。

11.In the aftermath of the storm, many animals began scavenging for fallen fruits.

风暴过后，许多动物开始寻找掉落的水果。

12.The raccoon was busy scavenging for food in the garbage cans.

浣熊正在垃圾桶里忙着觅食。

作文

In the natural world, many organisms play vital roles in maintaining ecological balance. One such role is that of scavengers, which are often misunderstood or overlooked. Scavenging, 拾荒, is a crucial process that contributes to the health of ecosystems. It involves the consumption of dead organic matter, which helps recycle nutrients back into the environment. Without scavengers, the buildup of carcasses would lead to an increase in disease and decay, negatively impacting other species and the overall environment.Scavengers come in various forms, from vultures and hyenas to insects like beetles and worms. These creatures have evolved specialized adaptations that allow them to locate and consume carrion efficiently. For example, vultures possess exceptional eyesight and can soar high above the ground to spot potential food sources. Once they find a carcass, their strong beaks enable them to tear through tough skin and muscle, allowing them to access the nutritious flesh inside.The act of scavenging 拾荒 not only benefits the scavengers themselves but also has significant implications for the entire ecosystem. By consuming dead animals, scavengers help prevent the spread of diseases that could arise from decaying bodies. This natural cleanup crew plays a vital role in controlling populations of other animals, as they remove potential sources of disease and contamination.Moreover, scavenging contributes to nutrient cycling. When scavengers consume carrion, they break down the organic material, returning essential nutrients to the soil. This process enriches the soil, promoting plant growth, which in turn supports herbivores and other animals higher up the food chain. Thus, scavengers indirectly support biodiversity by fostering a healthy and balanced ecosystem.Despite their importance, scavengers often face threats from human activities. Habitat destruction, pollution, and hunting have all contributed to declining scavenger populations worldwide. For instance, the use of poison to control predator populations can inadvertently harm scavengers that feed on the poisoned carcasses. Additionally, urbanization has led to a decrease in available habitats for these vital creatures.Conservation efforts are essential to protect scavengers and their habitats. Educating the public about the importance of scavenging 拾荒 can help foster appreciation for these often-maligned animals. Initiatives aimed at preserving natural habitats and reducing pollution can also benefit scavenger populations. By creating safe environments for these creatures, we can ensure that they continue to play their crucial role in maintaining ecological balance.In conclusion, scavenging 拾荒 is an essential ecological process that deserves more recognition and protection. Scavengers are nature's recyclers, contributing to the health of ecosystems and promoting biodiversity. As stewards of the planet, it is our responsibility to protect these vital creatures and the roles they play in our world. By understanding and appreciating the importance of scavengers, we can help ensure a healthier environment for all living beings.

在自然界中，许多生物在维持生态平衡方面发挥着重要作用。其中一个角色就是拾荒者，它们常常被误解或忽视。拾荒是一个关键过程，有助于生态系统的健康。它涉及对死去有机物的消费，帮助将养分回收回环境中。如果没有拾荒者，尸体的积累将导致疾病和腐烂的增加，给其他物种和整体环境带来负面影响。拾荒者的形式多种多样，从秃鹫和鬣狗到像甲虫和虫子这样的昆虫。这些生物进化出了专门的适应性，使它们能够有效地定位和消费腐肉。例如，秃鹫具有卓越的视力，可以在高空翱翔，以便发现潜在的食物来源。一旦它们找到尸体，强壮的喙使它们能够撕开坚硬的皮肤和肌肉，从而进入内部富含营养的肉。拾荒不仅有利于拾荒者本身，还有重要的生态意义。通过消费死去的动物，拾荒者帮助防止疾病的传播，这些疾病可能会因腐烂的尸体而产生。这个自然清洁队在控制其他动物种群方面发挥着至关重要的作用，因为它们去除了潜在的疾病和污染源。此外，拾荒还有助于养分循环。当拾荒者消费腐肉时，它们分解有机物质，将必需的养分返回土壤。这一过程丰富了土壤，促进植物生长，进而支持草食动物和食肉动物。因此，拾荒者通过促进健康和平衡的生态系统，间接支持生物多样性。尽管它们的重要性，拾荒者仍然面临人类活动带来的威胁。栖息地破坏、污染和狩猎都导致全球拾荒者数量下降。例如，使用毒药控制捕食者种群可能无意中危害以被毒死的尸体为食的拾荒者。此外，城市化导致这些重要生物的栖息地减少。保护措施对于保护拾荒者及其栖息地至关重要。教育公众了解拾荒的重要性可以帮助培养对这些常常被误解的动物的欣赏。旨在保护自然栖息地和减少污染的倡议也能使拾荒者受益。通过创造安全的环境，我们可以确保它们继续在维护生态平衡中发挥重要作用。总之，拾荒是一个重要的生态过程，值得更多的认可和保护。拾荒者是大自然的回收者，促进生态系统的健康，推动生物多样性。作为地球的管理者，我们有责任保护这些重要生物及其在我们世界中所发挥的角色。通过理解和欣赏拾荒者的重要性，我们可以帮助确保所有生物的环境更加健康。