Untraceable
a. 难追踪的, 难以发现的, 难以描绘的, 难以摹写的
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
Are you trying to find a furnished house?
你正在试着找到一幢有家具的房子吗？
They describe how each process goes on to the next.
表述着每道工艺间的衔接情况。