coils

简明释义

英[kɔɪlz]美[kɔɪlz]

n. [电]线圈（coil 的复数）；卷

英英释义

单词用法

同义词

反义词

例句

1.Pythons kill by tightening their coils so that their victim cannot breathe.

蟒蛇捕杀时紧紧盘成圈，使猎物无法呼吸。

2.Magnetic coils focus the electron beams into fine spots.

磁线圈将电子束聚焦成细小的点。

3.To do that, inventors started attaching electronic devices, electrical coils to the acoustic guitars.

为此，发明家们开始在原声吉他上安装电子设备和电子线圈。

4.Problems arose between oscillator coils and the transistors themselves.

问题出在振荡线圈和晶体管之间。

5.Look behind the fridge to see if coils have become caked with dust, dirt or pet hair, which can interfere with performance.

查看冰箱背后的镀锡卷板是否附着了灰尘、脏东西或是宠物的毛发，这会影响冰箱的性能。

6.Some of its aerial roots, creeping down along its trunk, had formed a dark complication of coils at its base.

有几条从空而来的树根沿着树身爬下来，在树的底座绕成一个盘根错节的黑圈。

7.He was a lively and friendly dog, almost buoyant, with a coat of spongy black coils that bounced when he trotted.

这是一只可爱而又温顺的小狗，它快跑起来，一身柔软的黑卷毛也在跳跃着，起伏着，显得欢快无比。

8.The ticker began to reel out jerkily its titful coils of tape, the desk telephone had a chronic attack of buzzing.

股票行情自动收录器开始像犯痉挛似地断断续续地吐出卷卷纸带,桌上的电话像害了慢性病似的不时作响。

9.The electrical wire was tangled in coils in the toolbox.

工具箱里的电线缠绕成了圈。

10.She watched as the smoke rose in coils from the campfire.

她看着烟雾从营火中升起，形成了缭绕的形状。

11.The snake moved gracefully, its body forming coils on the ground.

蛇优雅地移动，身体在地上形成了卷曲的形状。

12.The gardener carefully arranged the hoses into neat coils.

园丁小心地将水管整理成整齐的卷圈。

13.The chef used a spiralizer to create vegetable coils for the salad.

厨师使用螺旋切割器为沙拉制作蔬菜卷。

作文

In the world of science and engineering, the term coils (线圈) is often used to describe a series of loops or spirals formed by winding a material, typically wire, around a core. These coils (线圈) are fundamental components in various electrical devices, including transformers, inductors, and electromagnets. The design and function of coils (线圈) can greatly influence the efficiency and performance of these devices.To understand the importance of coils (线圈), we must first explore their role in electromagnetic fields. When an electric current flows through a wire, it generates a magnetic field around it. By winding the wire into coils (线圈), the magnetic field becomes stronger and more concentrated. This principle is utilized in many applications, such as in electric motors, where coils (线圈) are essential for converting electrical energy into mechanical energy.One of the most common types of coils (线圈) is the solenoid, which is a long coil of wire that produces a uniform magnetic field when an electric current passes through it. Solenoids are used in various devices, from simple doorbells to complex industrial machinery. The ability to control the magnetic field produced by coils (线圈) makes them invaluable in automation and control systems.In addition to their use in electrical devices, coils (线圈) can also be found in everyday items. For instance, the springs in pens and toys are essentially coils (线圈) that store potential energy. When compressed or stretched, these coils (线圈) release energy, allowing the pen to write or the toy to move. This demonstrates how coils (线圈) play a crucial role not only in technology but also in our daily lives.Another interesting application of coils (线圈) is in the realm of heating. Induction cooktops utilize coils (线圈) to generate heat through electromagnetic induction. When cookware made of ferromagnetic material is placed on the cooktop, the coils (线圈) create an alternating magnetic field that induces currents in the cookware, producing heat directly. This method of cooking is efficient and allows for precise temperature control.The study of coils (线圈) extends beyond practical applications; it also involves fascinating physics concepts. For example, the behavior of coils (线圈) in alternating current (AC) circuits can lead to resonance phenomena, where the frequency of the applied voltage matches the natural frequency of the coils (线圈), resulting in amplified currents. This principle is exploited in radio transmitters and receivers, where coils (线圈) are tuned to specific frequencies to enhance signal reception.In conclusion, coils (线圈) are versatile components that play a significant role in both technology and everyday life. Their ability to generate and manipulate magnetic fields makes them essential in a wide range of applications, from household appliances to industrial machines. Understanding the function and significance of coils (线圈) not only enhances our knowledge of electrical engineering but also reveals the intricate connections between science and our daily experiences.