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
What's new?
有什么新鲜事？
Jeffrey was allowed to listen in on the committee's debate.
杰夫里被允许旁听委员会的讨论。
I'm from Hangzhou. What about you?
杭州，你呢？