Each time this initial memory trace is "replayed", it becomes even stronger.(每次“重播”这段原始记忆痕迹时，它都会变得更加深刻。)
The ship had vanished without (a) trace.(那艘船消失得无影无踪。)
Staff will be able to trace calls at the touch of a button.(员工只要一按按钮就可以追踪电话。)
Indeed, Mr. Prance's new device can pick up the trace of a heartbeat from a metre away.(事实上，Prance先生的新设备可以在一米之外捕捉到心跳的痕迹。)
Our efforts to trace him turned up nothing.(我们辛辛苦苦跟踪他，却无功而返。)
How far back can you trace your family tree?(你的家谱可以追溯到多少代？)
They try to trace through every piece of data linked through those.(他们试图追踪每一个通过这些链接的数据。)
All her yesterdays had vanished without a trace.(她的过去已经完全烟消云散了。)
Like a family tree that you might use to trace back through generations of ancestors, only it's showing a family of genetically related languages instead of people.(就像你可以追溯祖先的家谱一样，它只是在显示与遗传相关的语言，而不是人类。)
The prince's manner was informal, without a trace of pomposity.(王子的态度平易谦和，没有一点傲气。)
