can trace its heritage back four billion years. 都可以追溯到40亿年前
It leaves no trace. 不留一点痕迹
We found no trace of the direwolf, your Grace. 陛下,那只狼一点影子都没有
can trace their origins back here... 都能从这里找到起源
An oceanic whitetip is able to detect even the faintest trace. 白鳍鲨更是能跟踪细微的痕迹