
好词典

源自希腊语 'ēlektron'(琥珀,因摩擦生电现象而得名),通过拉丁语 'electricus' 进入英语。
❶ 一种由电子流动产生的能量形式,用于供电、照明、加热等,是现代生活中不可或缺的能源。
“The electricity went out during the storm.”
(暴风雨期间停电了。)
“We need to save electricity to reduce our bills.”
(我们需要节约用电以减少电费。)
❶ 物理学中研究电荷、电流及其相关现象的科学分支。
“He is studying electricity and magnetism in his physics class.”
(他正在物理课上学习电学和磁学。)
“The invention of the battery was a breakthrough in electricity.”
(电池的发明是电学领域的一项突破。)
static electricity — 指物体表面因摩擦等原因积累的静止电荷,常表现为小火花或使头发竖起等现象。
“I got a shock from static electricity when I touched the doorknob.”
(我碰到门把手时被静电电了一下。)
electricity bill — 用户使用电力后需要支付的费用账单,通常按月计算。
“Our electricity bill was very high this month because we used the air conditioner a lot.”
(这个月我们的电费很高,因为我们经常使用空调。)