building block

汉语翻译

英语解释：

名词 building block:

1. a single undivided natural thing occurring in the composition of something else
   同义词：unit
2. a block of material used in construction work

例句：

1. The child entertained himself with his building blocks.
   孩子在搭积木玩。
2. The little boy is piling up his building blocks.
   小男孩正在搭积木。