名詞 headway:

1. vertical space available to allow easy passage under something
   同義詞：headroom, clearance
2. forward movement
   同義詞：head

1. Did you make any headway in your research work?
   你們的研究工作有進(jìn)展嗎？
2. We are making little headway with the negotiations.
   我們在談判中沒有取得什麼進(jìn)展。
3. The boat made slow headway against the tide.
   那船逆著潮水緩慢地前進(jìn)。

head.way

n.（名詞）
Forward movement or the rate of forward movement, especially of a ship.
前進(jìn)速度：尤指船向前的運(yùn)動或向前運(yùn)動的速度
Progress toward a goal.
朝向目標(biāo)的前進(jìn)
The clear vertical space beneath a ceiling or archway; clearance.
凈空高度：在天花板或拱下沒有物體的垂直空間；凈空
The distance in time or space that separates two vehicles traveling the same route.
間隔距離：在同一路線上行駛的車輛之間在時間或空間上的距離