“讯号”的拼音为：xùn hào...

在森林中, 潮湿的树木与针叶会使讯号变弱.In a forest, wet wood and needles attenuate the signals.收音机里嘟嘟地发出五点钟报时讯号.The radio squeaked five.其他的比例反馈讯号是由速率陀螺产生的.Other proportional feedback signals are generated from rate gyros....

“讯号”的英语可以翻译为：[电] a-n signal a-n，sign，signal ...

“左讯号”的英语可以翻译为：[电] leftsignal ...