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- The electron wavelength is computed from the orbital speed required to balance the electric attraction of the nucleus. 电子波长是由平衡核力所必须的轨道速率计算出来的。
- A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons. 当两个原子对共享电子的引力相同时形成非极性共价键。
- The balance of atomic force is set by this nucleus, whose strong electrical attraction binds the electron dance. 原子内的平衡源自于原子核，它强大的电子引力约束住了电子运动。
- A polar covalent bond happens when one electron has a stronger electrical attraction for the shared electrons than the other atom(s). 当一个原子对共享电子的电吸引强于其它原子时，形成极性共价键。
- It's quite clear that the electric car is technically feasible. 电动汽车明显在工艺技术上是可行的。
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- Never poke a finger or scissors into an electric socket. 千万不要把手指或剪刀插进电源插座。
- The machines are driven by electric motors. 这些机器都是由电动机驱动的。
- Unlike electric charges attract each other. 异性的电互相吸引。
- She buy an electric toaster this morning. 今天上午她买了一个烤面包片的电炉。
- It's a conduit enclosing insulated electric wires. 这是包电线的导管。
- A lot of electric lamps illumined the stage. 舞台由许多电灯照亮。
- I did the letter on my electric typewriter. 我是用电动打字机打这封信的。
- He bought an electric hair-drier for Mary. 他给玛丽买了一个电吹风。
- Please turn off the electric power. 请把电源关掉。
- He bought an electric hair-dryer for Mary. 他给玛丽买了一个电吹风。
- Magnetism produced by electric charge in motion. 电磁性由运动电荷引起的磁性
- The electric saw whined as it cut the wood. 电锯在锯木头时嘎嘎作响。
- This sewing machine is driven by an electric motor. 这台缝纫机是靠电动机启动的。
- Electric lights illumine our houses. 电灯照亮我们的房屋。
