magnet

简明释义

英[ˈmæɡnət]美[ˈmæɡnət]

n. 磁体，磁铁；有吸引力的人（或地方、事物）

【名】 （Magnet）马涅特，马涅（人名）

复 数 m a g n e t s

英英释义

单词用法

同义词

反义词

例句

1.Unless you have a really good magnet collection, toss most of them.

除非你有一个很好的磁铁收集，否则把其中的多数都丢掉。

2.One of the museum exhibits is this underground magnet antenna from the Bita cryptographic hardware.

博物馆的展馆之一是来自于 Bita 加密硬件的地下磁铁天线。

3.The earth may be thought of as a gigantic magnet.

整个地球可以想像为一块硕大的磁石。

4.I believe that music can act as a magnet to draw people together.

我相信音乐可以像一块磁铁那样将人们吸聚在一起。

5.I do clinical at a magnet hospital.

我在磁力医院做临床工作。

6.A magnet lifts up any iron and steel.

一块磁铁把所有的铁、钢制品吸起。

7.What you see here are these flywheels at the Magnet Lab.

这些就是电磁实验室，里的飞轮。

8.Prospect Park, with its vast lake, is a magnet for all health freaks.

拥有大片湖区的展望公园是所有健身迷的向往之地。

9.She bought a souvenir magnet 磁铁 from her trip to Paris.

她从巴黎旅行中买了一个纪念magnet 磁铁。

10.The fridge is a great place to put a magnet 磁铁 to hold important notes.

冰箱是放置一个magnet 磁铁以固定重要便条的好地方。

11.The magnet 磁铁 in the speaker helps produce sound.

扬声器中的magnet 磁铁有助于产生声音。

12.He used a strong magnet 磁铁 to lift heavy metal objects.

他用一个强力magnet 磁铁来提起重金属物体。

13.The magnet 磁铁 on the door helps keep it closed.

门上的magnet 磁铁有助于保持门关闭。

作文

In our daily lives, we often encounter various objects that have the ability to attract or repel one another. One of the most fascinating of these objects is the magnet（磁铁）. A magnet（磁铁） is defined as a material or object that produces a magnetic field, which can attract ferromagnetic materials such as iron, nickel, and cobalt. This property of magnet（磁铁） has intrigued scientists and inventors for centuries, leading to numerous applications in technology and industry.The history of the magnet（磁铁） dates back to ancient times when the Greeks first discovered lodestone, a naturally occurring magnetized mineral. The term 'magnet' itself is derived from the name of the region Magnesia in Greece, where this mineral was found. Over time, humans learned to create artificial magnets（磁铁） by aligning the domains of certain metals through processes like heating and cooling. This advancement paved the way for innovations such as compasses, which utilize the Earth’s magnetic field to help navigate.In modern society, magnets（磁铁） play an essential role in everyday technology. For instance, they are crucial components in electric motors, generators, and transformers. These devices rely on the principles of electromagnetism, where an electric current passing through a wire generates a magnetic field. This interaction between electricity and magnetism is what allows us to harness energy efficiently. Furthermore, magnets（磁铁） are also found in household items like refrigerators, where they help keep doors closed securely.Another interesting application of magnets（磁铁） is in the field of medicine. Magnetic resonance imaging (MRI) is a revolutionary diagnostic tool that employs powerful magnets（磁铁） to create detailed images of the inside of the human body. This non-invasive technique has transformed how doctors diagnose and treat various medical conditions, making it easier to visualize organs and tissues without the need for surgery.The versatility of magnets（磁铁） extends beyond practical applications; they also have intriguing properties that make them a subject of scientific research. For example, scientists study the behavior of magnets（磁铁） at the atomic level to understand phenomena such as magnetoresistance, which is the change in electrical resistance of a material in response to an external magnetic field. This research has implications for the development of new technologies, including data storage devices and quantum computing.In addition to their scientific significance, magnets（磁铁） also capture the imagination of people of all ages. Children are often fascinated by the way magnets（磁铁） can attract or repel each other, leading to experiments and explorations that teach fundamental principles of physics. Educational toys that incorporate magnets（磁铁） encourage creativity and problem-solving skills, allowing young minds to engage with science in a fun and interactive way.In conclusion, the magnet（磁铁） is not just a simple object; it is a remarkable tool that has shaped our understanding of the physical world and has countless applications in technology, medicine, and education. As we continue to explore the properties and potential of magnets（磁铁）, we unlock new possibilities for innovation and discovery. Whether it’s helping us navigate the world, powering our devices, or enabling medical breakthroughs, the magnet（磁铁） remains an indispensable part of our lives, reminding us of the wonders of science and nature.

在我们的日常生活中，我们经常会遇到各种能够相互吸引或排斥的物体。其中最迷人的物体之一就是磁铁（magnet）。磁铁（magnet）被定义为一种产生磁场的材料或物体，能够吸引铁、镍和钴等铁磁性材料。磁铁（magnet）的这一特性吸引了科学家和发明家几个世纪以来的兴趣，从而导致了技术和工业中的众多应用。磁铁（magnet）的历史可以追溯到古代，当时希腊人首次发现了天然磁化矿物——磁石。‘磁铁’这个词本身源于希腊的马格尼西亚地区的名称，在那里发现了这种矿物。随着时间的推移，人类学会了通过加热和冷却等过程来对某些金属进行人工制造的磁铁（magnet），这项进步为指南针等创新铺平了道路，指南针利用地球的磁场帮助导航。在现代社会中，磁铁（magnet）在日常技术中发挥着至关重要的作用。例如，它们是电动机、发电机和变压器等设备的关键组件。这些设备依赖于电磁学原理，即通过导线流动的电流产生磁场。电与磁之间的这种相互作用使我们能够高效利用能量。此外，磁铁（magnet）还出现在冰箱等家用物品中，帮助安全地关闭门。磁铁（magnet）的另一个有趣应用是在医学领域。磁共振成像（MRI）是一种革命性的诊断工具，利用强大的磁铁（magnet）生成人体内部的详细图像。这种非侵入性技术改变了医生诊断和治疗各种医疗条件的方式，使得可视化器官和组织变得更容易，而无需手术。磁铁（magnet）的多功能性不仅限于实际应用；它们还有引人入胜的特性，使其成为科学研究的主题。例如，科学家研究磁铁（magnet）在原子级别的行为，以了解诸如磁阻等现象，即材料在外部磁场作用下电阻的变化。这项研究对新技术的发展具有重要意义，包括数据存储设备和量子计算。除了科学意义，磁铁（magnet）也吸引着各个年龄段人们的想象力。孩子们通常对磁铁（magnet）如何相互吸引或排斥感到着迷，这导致了实验和探索，教授物理学的基本原理。结合磁铁（magnet）的教育玩具鼓励创造力和解决问题的能力，使年轻人以有趣和互动的方式参与科学。总之，磁铁（magnet）不仅仅是一个简单的物体；它是一个非凡的工具，塑造了我们对物理世界的理解，并在技术、医学和教育中有无数应用。随着我们继续探索磁铁（magnet）的性质和潜力，我们为创新和发现解锁了新的可能性。无论是帮助我们导航世界，为我们的设备供电，还是促进医学突破，磁铁（magnet）依然是我们生活中不可或缺的一部分，提醒我们科学和自然的奇迹。