这趟火车之旅一定很享受。

This train ___journey must be very enjoyable.

从害羞到自信的转变对他来说是一段漫长的心灵之旅。

The transformation from shyness to confidence was a long inner ___journey for him.

他们乘火车长途旅行去了北京。

They ___journeyed to Beijing by train over a long distance.