building block
复数形式
building blocks
1
积木, 建筑块
a set of plastic or wooden toy pieces, mostly similar to bricks, that children can put together and make creative constructions with
2
建筑块, 基本元素
a block of material used in construction work
3
4
构建块, 基本要素
*** parts that are joined together in order to make a large thing exist