Backward pawn
01
落后兵, 后退兵
a pawn that is behind its adjacent pawns on the same file and cannot be easily advanced, making it vulnerable to attacks and potentially weakening the player's pawn structure
例子
After I pushed my pawns forward, I noticed one on the d-file was left behind and became a backward pawn.
在我将我的兵向前推进后，我注意到d线上的一个兵被落在了后面，变成了一个落后兵。
