building block
noun uk/ˈbɪl.dɪŋ ˌblɒk/ us/ˈbɪl.dɪŋ ˌblɑːk/
[ C ]积木
a piece of wood or plastic used by children to build things with
building blocks [ plural ] 基础；构成要素
the basic things that are put together to make something exist
Science and the arts are the building blocks of a good education. 科学和艺术是良好教育的基本要素。
Technologies like these are potentially the building blocks for a carbon-free future.
It was her firm belief that the best building blocks for a stable society were families.
The building blocks of a new vaccine have been identified.
During these critical years, the basic building blocks of literacy are acquired.