It's constantly using internal energy to do mechanical work and enhance our hearing.

它一直在使用内部能量进行机械工作，并增强我们的听力。

When placed under pressure, steam can supply energy for heating, cooking, or mechanical work, as in a steam engine.

在压力下，水蒸汽可以为加热、烹饪或机械设备提供能量，例如蒸汽机。

A technician is a person who is skilled in electronic or mechanical work. I need to call the technician to help me with my computer.

技术员是精通电子或机械工作的人 我需要叫技术人员来帮我修电脑。

Perhaps more than a mile in average depth has the range been thus degraded during the last glacial period, -a quantity of mechanical work almost inconceivably great.

在最后一次冰河时期，山脉的平均深度可能超过一英里，因此退化了——大量的机械工作几乎大得令人难以置信。

Those moving loops of wire can be used to do mechanical work, like turning the drum in your washing machine, or your power drill, or the fan that probably cools your computer.

这些移动的电线环可用于进行机械工作，例如将滚筒变成洗衣机，或钻孔电源或可能冷却计算机的风扇。