metal

简明释义

[ˈmetl][ˈmetl]

n. 重金属音乐;金属色;筑路碎石;玻璃液;(铁路的)钢轨;金属,合金

v. 用金属做,用金属包;<英>用碎石筑路,用碎石修路

adj. 金属制的

【名】 (Metal)(捷、瑞典)梅塔尔(人名)

复 数 m e t a l s

第 三 人 称 单 数 m e n t a l s

现 在 分 词 m e n t a l l i n g 或 m e t a l i n g

过 去 式 m e t a l l e d 或 m e t a l e d

过 去 分 词 m e t a l l e d 或 m e t a l e d

英英释义

A solid material that is typically hard, shiny, and has good electrical and thermal conductivity.

一种通常坚硬、有光泽并且具有良好电导性和热导性的固体材料。

Elements that are characterized by their ability to conduct heat and electricity, malleability, ductility, and high melting points.

以其导热和导电能力、可锻性、延展性和高熔点为特征的元素。

单词用法

heavy metal

重金属摇滚乐

sheet metal

金属薄片

同义词

alloy

合金

The jewelry is made of a precious alloy.

这件珠宝是用贵重的合金制成的。

element

元素

Iron is a common element used in construction.

铁是一种常用于建筑的元素。

material

材料

Copper is a highly conductive material.

铜是一种导电性很强的材料。

metallic substance

金属物质

The metallic substance was resistant to corrosion.

这种金属物质耐腐蚀。

反义词

non-metal

非金属

Carbon is a non-metal that is essential for life.

碳是一种对生命至关重要的非金属。

organic

有机物

Organic compounds are primarily composed of carbon and hydrogen.

有机化合物主要由碳和氢组成。

例句

1.The metal plate behind my head radiated heat.

我脑后的金属盘散发出热量。

2.Along each wall stretched uniform green metal filing cabinets.

沿每堵墙摆放着清一色的绿色金属档案柜。

3.The metal felt smooth and cold.

这种金属摸上去光滑而冰冷。

4.The metal container began to emit a clicking sound.

金属容器开始发出咔嗒咔嗒的声音。

5.The frame is made of metal.

框子是用金属做的。

6.Surgeon Geoffrey Horne placed a metal band around the knee cap to help it knit back together.

外科医生杰弗里·霍恩在膝盖骨上放了一个金属箍以帮助其愈合。

7.This metal is known for its corrosion resistance.

这种金属以其耐腐蚀性而闻名。

8.He used a metal detector to find coins in the park.

他用一个金属探测器在公园里寻找硬币。

9.She wore a necklace made of metal and gemstones.

她佩戴了一条由金属和宝石制成的项链。

10.The sculpture was made of metal, giving it a modern look.

这座雕塑是用金属制成的,给人一种现代感。

11.The metal frame of the building provides strong support.

建筑的金属框架提供了强有力的支撑。

作文

Metals have been an integral part of human civilization for thousands of years. From the earliest times, when humans discovered how to manipulate natural resources, metals such as copper, bronze, and iron have played a crucial role in shaping societies. The term metal (金属) refers to a category of elements that are typically hard, shiny, and good conductors of heat and electricity. These properties make metals (金属) essential for various applications in our daily lives.One of the most significant uses of metal (金属) is in construction. Buildings, bridges, and other infrastructures often rely on strong metals (金属) like steel and aluminum. Steel, an alloy of iron, is known for its strength and durability, making it a preferred choice for skyscrapers and large structures. Aluminum, on the other hand, is lightweight and resistant to corrosion, which makes it ideal for use in aircraft and vehicles.In addition to construction, metals (金属) are essential in the manufacturing of tools and machinery. The automotive industry, for example, depends heavily on metals (金属) to produce cars and trucks. Engine parts, frames, and wheels are often made from high-strength metals (金属) that can withstand wear and tear. Furthermore, metals (金属) are used in electronics, where they serve as conductors in circuits. Copper, for instance, is widely used in electrical wiring due to its excellent conductivity.The versatility of metals (金属) extends to the field of technology as well. In modern gadgets, such as smartphones and laptops, various metals (金属) are utilized to enhance performance and durability. For example, lithium is a critical component in rechargeable batteries, while gold is often used in connectors due to its resistance to corrosion. This highlights the importance of metals (金属) not just in traditional industries but also in cutting-edge technology.Moreover, the artistic aspect of metals (金属) cannot be overlooked. Artists and craftsmen have used metals (金属) like bronze and silver to create beautiful sculptures, jewelry, and decorative items throughout history. The malleability of metals (金属) allows for intricate designs and detailed craftsmanship, showcasing their aesthetic appeal.However, the extraction and processing of metals (金属) also come with environmental challenges. Mining activities can lead to habitat destruction, water pollution, and soil degradation. It is crucial for industries to adopt sustainable practices to minimize their ecological footprint. Recycling metals (金属) is one effective way to reduce waste and conserve natural resources. By recycling, we can recover valuable metals (金属) from old products and give them a new life, thereby promoting a circular economy.In conclusion, metals (金属) are fundamental to various aspects of human life, from infrastructure and technology to art and culture. Their unique properties make them indispensable in numerous applications. As we continue to innovate and develop new technologies, the role of metals (金属) will undoubtedly evolve, emphasizing the need for responsible sourcing and sustainable practices. Understanding the significance of metals (金属) in our world helps us appreciate the complex relationship between humanity and the materials we utilize.

金属在数千年来的人类文明中一直是不可或缺的一部分。从最早的时代开始,人类发现如何操控自然资源,铜、青铜和铁等金属在塑造社会方面发挥了重要作用。术语metal(金属)指的是一种通常坚硬、有光泽且良好导热和导电的元素类别。这些特性使得metals(金属)在我们日常生活中的各种应用中变得至关重要。Metal(金属)最重要的用途之一是在建筑中。建筑物、桥梁和其他基础设施通常依赖于强大的metals(金属),如钢和铝。钢是一种铁的合金,以其强度和耐用性而闻名,使其成为摩天大楼和大型结构的首选。另一方面,铝轻巧且耐腐蚀,非常适合用于飞机和车辆。除了建筑外,metals(金属)在工具和机械制造中也至关重要。例如,汽车工业严重依赖于metals(金属)来生产汽车和卡车。发动机部件、框架和车轮通常由高强度的metals(金属)制成,能够承受磨损。此外,metals(金属)还用于电子产品,在电路中作为导体。例如,铜因其优良的导电性而广泛用于电线中。Metals(金属)的多样性延伸到技术领域。在现代小工具中,如智能手机和笔记本电脑,各种metals(金属)被用来增强性能和耐用性。例如,锂是可充电电池的重要组成部分,而黄金则因其耐腐蚀性而常用于连接器。这突显了metals(金属)不仅在传统行业中,而且在尖端技术中的重要性。此外,metals(金属)的艺术方面也不容忽视。艺术家和工匠在历史上使用了青铜和银等metals(金属)创造出美丽的雕塑、珠宝和装饰品。Metals(金属)的可锻性允许复杂的设计和精细的工艺,展示了它们的美学吸引力。然而,提取和加工metals(金属)也带来了环境挑战。采矿活动可能导致栖息地破坏、水污染和土壤退化。工业必须采取可持续实践,以最小化其生态足迹。回收metals(金属)是减少废物和节约自然资源的一种有效方法。通过回收,我们可以从旧产品中回收有价值的metals(金属),赋予它们新的生命,从而促进循环经济。总之,metals(金属)在我们生活的各个方面都是基础,从基础设施和技术到艺术和文化。它们独特的特性使其在众多应用中不可或缺。随着我们继续创新和开发新技术,metals(金属)的角色无疑将会演变,强调负责任的采购和可持续实践的必要性。理解metals(金属)在我们世界中的重要性,有助于我们欣赏人类与我们所利用材料之间复杂的关系。