名詞 white line:

1. a white stripe in the middle of a road to mark traffic lanes

1. White lines divide the playing area into sections.
   這些白線把賽區(qū)分成各個部分。
2. The playing area is demarcated by a white line.
   運動場地以白線為界。
3. We have marked the playing area off with a white line.
   我們已用白線畫出運動場地。