piece是可数名词;
piece
n.片;块;段;截;标准的量;碎片;碎块;零件;部件;
v.修补;接合;凑合;
第三人称单数: pieces;
复数: pieces;
现在分词: piecing;
过去式: pieced;
过去分词: pieced
The car was found on a piece of waste ground.
那辆车是在一块荒地里发现的。
I cut myself on a piece of broken glass.
我被一块碎玻璃划伤了。
This piece of equipment is an exciting new development.
这台设备是一项振奋人心的最新研究成果。