释义
n. 痕迹,踪迹,微量 v. 追踪,回溯,描绘
例句
1. The family can trace its history to the 17th century. 这个家族的历史可以追溯到十七世纪。 2. I can't trace that letter you sent me. 我找不到你寄给我的那封信。