on a board

• 在委员会中

on a board的用法和样例：

例句

1. A Japanese game for two, played with counters on a board that is ruled with 19 vertical and 19 horizontal lines.
   围棋日本的一种两人棋戏，用棋子在一横竖皆有十九条交叉线的棋盘上下。