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
I just spoke with Charley Rafer.
我刚和Charley Rafer通了电话。
Yes,he does.
是的，他有。
As Fred was going in the same direction, he walked along with the tourist.
因为游客与弗雷德走的是同一个方向，他便与游客一道同行。