assimilation

均衡饮食有助于营养更好地被身体吸收利用。

A balanced diet promotes better ___assimilation of nutrients by the body.

移民融入当地文化需要时间和耐心。

The ___assimilation of immigrants into local culture requires time and patience.

学习新语言的过程包括将新词汇逐步融入大脑已有的知识体系。

Learning a new language involves the gradual ___assimilation of new vocabulary into the brain's existing knowledge.