及物动词
1. In spite of the mist the sailors could trace the outline of an island.
尽管有雾，水手们还能依稀看出一个岛屿的轮廓。
2. The post office tried to trace the lost letter.
邮局设法查出那封丢失的信。
3. They traced the criminal to a house in the city.
他们追踪罪犯到了城里的一座房子里。
名词
1. trace在线翻译
1. There was barely a trace of salt in the soup.
汤里简直一点盐也没有放。
2. They searched the building but did not find any trace of the criminal.
他们搜查了这座楼房，可是没有发现罪犯的一点踪迹。