劍橋詞典 tramlines noun [plural] (TRACK) two metal tracks set in the road , along which a tram goes 有軌電車軌道 tramlines noun [plural] (SPORT) UK two parallel painted lines along the edge of the playing area used in tennis and badminton （網(wǎng)球和羽毛球）球場兩側(cè)的加線 In doubles , the ball is not out if it lands between the tramlines. 雙打時，球落在球場兩側(cè)的加線間不算出界。 返回 tramlines