This is the 9017th most frequent Japanese word.
流し込む
"流し込む" means "to pour or flush something into."
In this sentence, '流し込む' is used to describe the action of pouring or transferring water into a glass, implying a liquid flow and its destination.
彼は水をグラスに流し込んだ。
He poured water into the glass.
Here, '流し込む' is metaphorically used to describe the process of mentally absorbing information, likening it to liquid being poured into a space.
彼女は情報を頭に流し込んだ。
She absorbed the information into her mind.
This sentence demonstrates '流し込む' referring to the physical action of transferring soup into a bowl, emphasizing the fluid nature of the content being poured.