wood不可数。
wood:n.木;木头;木料;木材;木柴;树林;林地;(保龄球戏的)木瓶
The wood must not get damp as rot can quickly result.
木头不能受潮,否则很快就会烂掉。
This tool is used for shaping wood.
这个工具是用来加工木料的。
The track led us through a wood.
我们沿着那条小道穿过了树林。