moving stairway

moving stairway

n. 自动楼梯

例句与用法：

Much of the energy supplied to complicated machine with many moving parts is wasted in overcoming this opposition.

供给一台具有许多可转动部件的复杂机器的能量，有很多是在克服阻力中损耗掉了。

The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker.

电枢电磁装置的移动部分，如继电器，蜂音器或扬声器

词形变化：

副词: movingly |