trace
英 [treɪs]
美[tres]
	    - vi. 追溯;沿路走
 - vt. 追踪,查探;描绘;回溯
 - n. 痕迹,踪迹;微量;[仪] 迹线;缰绳
 
英英释意
- 1. a just detectable amount;
 - "he speaks French with a trace of an accent"
 
- 2. an indication that something has been present;
 - "there wasn't a trace of evidence for the claim"
 - "a tincture of condescension"
 
- 3. a suggestion of some quality;
 - "there was a touch of sarcasm in his tone"
 - "he detected a ghost of a smile on her face"
 
- 4. drawing created by tracing
 
- 5. either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree
 
- 6. a visible mark (as a footprint) left by the passage of person or animal or vehicle