“旁轨”的拼音为：páng guǐ...

我们乘的火车在旁轨上停了好久,有些儿童进来窥探.We were sidetracked for a long time and children came and peeked in.这列火车已转至旁轨.The train has shunted to a siding....

“旁轨”的英语可以翻译为：y-track （铁路的），sidetrack，siding ...