electromotive的音标是[ɪ"lektrəʊmətɪv],基本翻译是电动势的,速记技巧是利用谐音助记符e-la-tro-motive,可以联想为“一拉就动”。
Electromotive force (EMF) 的英文词源可以追溯到拉丁语“electrum” (意为“电气”) 和“motus” (意为“运动”)。EMF 是指在电场中产生的驱动力,使带电粒子可以移动。
变化形式:在物理学中,EMF 可以表示为电压(voltage),是一个物理量,可以用符号 V 表示。
相关单词:
1. Voltage:电压,物理学中表示电场中产生的驱动力,可以用符号 V 表示。
2. Current:电流,物理学中表示电荷的流动,与电压相关。
3. Resistance:电阻,表示物体对电流的阻碍作用,与电流和电压的关系密切。
4. Electrical potential:电位差,表示物体两点之间的电势差,与 EMF 相关。
5. Electrostatics:静电学,研究带电物体之间的相互作用,包括 EMF 和电荷分布。
6. Electrochemistry:电化学,研究化学反应与电学性质之间的相互作用,包括 EMF 在化学反应中的作用。
7. Electrokinetics:电动力学,研究带电粒子在电场中的运动和扩散行为。
8. Electromagnetic induction:电磁感应,描述磁场变化时产生电动势的现象。
9. Electroplating:电镀,一种金属表面处理技术,通过电化学方法将金属沉积在基材表面。
10. Electrofusion:电熔接,一种焊接技术,通过电流使两个金属部件熔化并融合。
以上这些单词都与 EMF 相关,反映了电学和物理学中的基本概念和现象。
常用短语:
1. be powered by electricity
2. electric current
3. battery charger
4. electric motor
5. electric car
6. electric light bulb
7. electric fan
双语例句:
1. The laptop is powered by a rechargeable battery.
2. The electric current flows through the wire.
3. The charger is used to recharge the battery.
4. The electric motor drives the wheelchair.
5. The electric car is a clean and efficient mode of transportation.
6. Electric light bulbs are energy-saving and long-lasting.
7. The electric fan makes the room more comfortable in hot weather.
英文小作文:
Electricity is a miracle product that has revolutionized our lives. From powering our laptops and mobile phones to driving our cars and fans, electricity plays a crucial role in our daily routine. It is no longer a distant concept, but has become an integral part of our existence. From the invention of the electric motor to the development of modern energy sources like solar and wind power, electricity has played a pivotal role in shaping our world. It is no exaggeration to say that electricity has become the lifeblood of modern society. As we embrace the digital age, electricity will continue to play an even more significant role in our lives, making it a more convenient and efficient world.