Headway



GRE

解释

GRE 红宝书

• n. 进步, 进展
• ［英］ n. 进步, 进展 ( progress)
• ［例］ We are making little headway with the negotiations.

Webster Collegiate

noun

• Date: 1748
• 1.
  • a. motion or rate of motion in a forward direction
  • b. advance, progress
• 2. headroom (as under an arch) sufficient to allow passage
• 3. the time interval between two vehicles traveling in the same direction on the same route

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