3. These doctors blazed a trail in the field of laser surgery. 这此大夫在激光外科手术领域中开拓了新路。
英英解释
n.
1. a track or mark left by something that has passed
2. a path or track roughly blazed through wild or hilly country
3. evidence pointing to a possible solution v.
1. to lag or linger behind
2. go after with the intent to catch
3. move, proceed, or walk draggingly or slowly
4. hang down so as to drag along the ground
5. drag loosely along a surface; allow to sweep the ground