electric current

electric current的音标为[ɪˈlektrik ˈkʌrənt]，基本翻译是电流，速记技巧是“依乐特里克 库热容”。

Electric current这个词的英文词源可以追溯到拉丁语中的“electricus”，意为“电的”。这个词是由“electrum”（一种合金）和“current”（流动）两个词组合而成的。

electric current的变化形式主要有复数形式“electric currents”，以及比较级和最高级形式“more electric, most electric”。

相关单词有：

1. electrical：电气相关的，来自于拉丁语中的“electricus”，表示电的。

2. battery：电池，来自于意大利语中的“batteria”，意为一组电池。

3. circuit：电路，来自于拉丁语中的“circu”和“circuitus”，意为绕行。

4. conductor：导体，来自于拉丁语中的“conductor”，意为引导电流的物质。

5. insulation：绝缘体，来自于拉丁语中的“insulate”，意为隔离电的。

6. current：电流，是electric current的常用形式，表示正在流动的电流。

7. direct current：直流电，表示电流的方向不随时间改变。

8. alternating current：交流电，表示电流的方向随时间改变。

9. electric field：电场，来自于拉丁语中的“electricus”和“field”，表示电场力的作用范围。

10. electric potential：电位差，表示单位面积上电位的差值，也就是电场力所做的功。

常用短语：

1. electric current flow

2. current density

3. electric current density

4. current carrying capacity

5. current resistance

6. electric current leakage

7. current waveform

8. alternating current

例句：

1. The electric current flow through the circuit is constant.

2. The current density in the battery is high enough to power the device.

3. The current carrying capacity of the wire is determined by its diameter and material.

4. The current resistance of the resistor is low, allowing it to dissipate large amounts of power.

5. The electric current leakage in the wiring is unacceptable, causing a safety hazard.

6. The current waveform of the AC power supply varies with time.

7. Alternating current is used for most household appliances because it is more efficient and safer.

英文小作文：

Electricity is essential for modern life, and one of the most important aspects of electricity is the flow of electric current. From simple household appliances to complex electronic devices, electric current plays a crucial role in their operation. Understanding the properties and behavior of electric current is essential for anyone who works with electricity or electrical equipment.

Electric current is a measure of the flow of electrons through a conductor, and it can be either direct or alternating depending on the type of electrical system used. In direct current systems, the flow of electrons is constant and unidirectional, while in alternating current systems, the flow of electrons changes direction periodically over time.

The properties of electric current include current density, which is the amount of electric current flowing through a unit area, and impedance, which describes how efficiently a circuit transmits electric current. Understanding these properties is crucial for designing and operating effective electrical systems and devices.

In modern society, electricity and therefore electric current play a central role in our daily lives. From powering our homes and businesses to driving our vehicles and communicating with one another, electricity and its related technologies have become an integral part of our existence.