/treɪs/
动词
找到,查出,发现
The police are trying to trace the mother of a newborn baby found abandoned outside a hospital.
警察试图查出那位把新生婴儿抛弃在医院外面的母亲。
(把透明纸覆盖在底样上)描摹
Did you draw this picture yourself, or did you trace it?
这幅画是你自己画的,还是你描摹的?
想跟读,去练习