n.

1. 铁格架；烤架
2. 橄榄球场

n.

1. a frame of parallel metal bars used for grilling meat or fish over an open fire.
2. a frame of parallel beams for supporting a ship in dock.
3. a field for American football, marked with regularly spaced parallel lines.
   ▸N. Amer. the game of American football.
4. a grid pattern.