electric viscometer

例句：

1. 1. The electric motor is the heart of the machine.
   电动机是机器的核心。
2. 2. Electricity is a form of energy that can be transmitted through wires.
   电能是一种可以通过电线传输的能量形式。
3. 3. The electric light bulb flickered and went out.
   电灯泡闪烁不定然后熄灭了。