...a small mechanical device that taps out the numbers.

能够输出数字的小型机械装置

...the oldest working mechanical clock in the world.

世界上最古老的还在走动的机械钟

Most mechanical devices require oil as a lubricant.

绝大多数机械装置都需要用油作为润滑剂。

...mechanical engineering.

机械工程学

The company undertakes mechanical work on all types of cars.

该公司承接各类汽车的修理工作。

The train had stopped due to a mechanical problem.

火车因为机械故障停了下来。

He was a very mechanical person, who knew a lot about sound.

他精通机械，了解许多有关声音的知识。

I'm not mechanical like my father; I have to follow the instructions.

我没有爸爸那么精通机械，所以得按说明书上说的去做。

It is real prayer, and not mechanical repetition.

这是真正的祈祷，不是机械的重复。

Many girls have a kind of mechanical attitude towards sex.

许多女孩在性方面会有些率性而为。

Her retort was mechanical.

她的反驳是脱口而出的。