building block的复数形式怎么拼写

building block的音标：...

The basic building block of the project is an L - shaped terrace apartment.项目的基本建筑模式是L型公寓楼.The design project of building block screw was presented.提出了积木式螺杆设计方案.Functional excellence is the building block for a successfu...

n.（儿童游戏用的）积木，构件，建筑砌块，基础材料...