By default these color squares are empty.

默认情况下这些颜色方块是空的。

youdao

These are the two metals I used for the squares on the chess board.

这是我为两个金属棋盘上使用的平方。

youdao

These are the two metals I used for the squares on the chess board.

这是我为两个金属棋盘上使用的平方。

youdao