building_block 英语 名词 building block（复数 building blocks） (字面义) 基础 积木 (比喻) 基本成分 Words are the building blocks of a language. ― 词语是语言的基本成分。 Cells are the building blocks of life. ― 细胞是生命的基本成分。参见 stepping stone stumbling block
