polythene
简明释义
n. [高分子]聚乙烯（等于 polyethylene）
英英释义
A lightweight, durable synthetic resin made from polymerized ethylene, commonly used for making plastic bags and containers. | 一种轻便、耐用的合成树脂，由聚合乙烯制成，通常用于制造塑料袋和容器。 |
单词用法
聚乙烯袋 |
同义词
反义词
例句
1.Wrap the end of polythene tube with gauze and plaster in position.
取下塑胶管一端的胶布和纱布。
2.The wings are made of a polythene film stretched over a carbon fiber frame.
机翼是由铺在碳纤维框架上的聚乙烯薄膜制成的。
3.Polythene cushioning material is one kind of viscoelastic material.
聚乙烯缓冲材料是一种粘弹性材料。
4.This polythene sheet should serve to keep out the rain for a while.
这种聚乙烯塑料应该可以挡一会儿雨。
5.The performance of the polythene film collector was analyzed, and the design of the loosening shovel was developed.
该文在分析残膜回收机具性能的基础上，提出对起膜机构的设计。
6.And also, probe into the modified mechanism of polythene.
并对聚乙烯的改性机理作了初步探讨。
7.We use a polythene wrapper for each shirt.
每件衬衣都用聚乙烯袋包拆。
8.All the cases must be lined with waterproof paper (Kraft paper, polythene).
所有箱子必须内衬防水纸(牛皮纸、塑料纸)。
9.Many outdoor products are made from polythene (聚乙烯) due to its waterproof properties.
许多户外产品是由polythene (聚乙烯)制成的，因为它具有防水特性。
10.The grocery store uses polythene (聚乙烯) bags for customers to carry their purchases.
这家杂货店使用polythene (聚乙烯)袋子供顾客携带他们的购物。
11.The construction site used polythene (聚乙烯) sheeting to cover the ground and protect it from rain.
建筑工地使用polythene (聚乙烯)薄膜覆盖地面，以保护其免受雨水侵袭。
12.We wrapped the fragile items in polythene (聚乙烯) to prevent them from breaking during transport.
我们用polythene (聚乙烯)包裹易碎物品，以防在运输过程中破损。
13.I bought a polythene (聚乙烯) tarp to use for camping trips.
我买了一块polythene (聚乙烯)防水布，用于露营旅行。
作文
Polythene, also known as polyethylene, is one of the most widely used plastics in the world. It is a polymer made from the polymerization of ethylene monomers and is known for its versatility, durability, and lightweight properties. The use of polythene (聚乙烯) has revolutionized packaging, construction, and countless other industries. In this essay, I will explore the benefits and drawbacks of polythene (聚乙烯), its applications, and its impact on the environment.One of the primary advantages of polythene (聚乙烯) is its exceptional resistance to moisture and chemicals. This makes it an ideal material for packaging food and beverages, as it helps to preserve freshness and prevent contamination. For instance, many grocery items are packaged in polythene (聚乙烯) bags or containers, which not only keep the products safe but also extend their shelf life. Additionally, polythene (聚乙烯) is lightweight, which reduces transportation costs and energy consumption when moving goods.In construction, polythene (聚乙烯) is used in various applications such as vapor barriers, insulation, and protective sheeting. Its durability ensures that structures remain protected from moisture and other environmental factors. Furthermore, polythene (聚乙烯) can be produced in different densities, allowing manufacturers to create products that meet specific requirements, whether they need to be rigid or flexible.Despite its many benefits, the widespread use of polythene (聚乙烯) has raised significant environmental concerns. One of the major issues is plastic pollution, as polythene (聚乙烯) products can take hundreds of years to decompose. Many countries have implemented bans or restrictions on single-use polythene (聚乙烯) bags in an effort to reduce waste and encourage more sustainable alternatives. This has led to a growing interest in biodegradable materials and recycling programs aimed at minimizing the impact of plastic waste.Moreover, the production of polythene (聚乙烯) contributes to greenhouse gas emissions. The extraction of fossil fuels, which are necessary for producing ethylene, releases carbon dioxide into the atmosphere. As a result, there is a pressing need for industries to seek out more sustainable practices, such as using renewable resources or developing innovative recycling techniques.In conclusion, polythene (聚乙烯) is a remarkable material that has transformed various sectors due to its unique properties. While it offers numerous advantages in terms of convenience, cost-effectiveness, and versatility, it also poses significant environmental challenges. As society becomes increasingly aware of the impact of plastic on our planet, it is essential to find a balance between utilizing polythene (聚乙烯) and implementing sustainable practices that protect our environment for future generations. Through innovation and responsible consumption, we can harness the benefits of polythene (聚乙烯) while minimizing its negative effects.
聚乙烯，也被称为聚乙烯，是世界上使用最广泛的塑料之一。它是一种由乙烯单体聚合而成的聚合物，以其多功能性、耐用性和轻量特性而闻名。聚乙烯的使用彻底改变了包装、建筑和无数其他行业。在这篇文章中，我将探讨聚乙烯的优缺点、应用及其对环境的影响。聚乙烯的主要优点之一是其对湿气和化学品的卓越抵抗力。这使得它成为包装食品和饮料的理想材料，因为它有助于保持新鲜度并防止污染。例如，许多杂货商品都装在聚乙烯袋或容器中，这不仅可以确保产品安全，还可以延长其保质期。此外，聚乙烯轻便，减少了运输成本和移动商品时的能源消耗。在建筑领域，聚乙烯用于各种应用，如防潮层、绝缘材料和保护膜。其耐用性确保结构免受湿气和其他环境因素的侵害。此外，聚乙烯可以生产不同密度的产品，使制造商能够创造满足特定要求的产品，无论是需要坚硬还是柔韧。尽管有许多优点，但聚乙烯的广泛使用引发了重大环境问题。一个主要问题是塑料污染，因为聚乙烯产品可能需要数百年才能分解。许多国家已实施禁令或限制一次性聚乙烯袋，以减少废物并鼓励更可持续的替代品。这导致人们越来越关注生物降解材料和旨在最小化塑料废物影响的回收计划。此外，聚乙烯的生产也会导致温室气体排放。提取化石燃料（生产乙烯所必需的）会释放二氧化碳到大气中。因此，迫切需要各行业寻求更可持续的做法，例如使用可再生资源或开发创新的回收技术。总之，聚乙烯是一种非凡的材料，由于其独特的特性，已经改变了各个行业。尽管它在便利性、成本效益和多功能性方面提供了许多优势，但它也带来了重大的环境挑战。随着社会对塑料对我们星球影响的认识日益增强，找到利用聚乙烯与实施可持续实践之间的平衡至关重要。通过创新和负责任的消费，我们可以利用聚乙烯的好处，同时最小化其负面影响。
