Let's keep it (from) feeling cold中文?为什么填写from?

Let's keep it (from) feeling cold中文?为什么填写from?
Let's keep it (from) feeling cold中文?为什么填写from?

Let's keep it (from) feeling cold中文?为什么填写from?
keep sb from doing sth系固定用法,指使某人（动物）不做某事
译：让我们别使它感觉到冷.

keep....from 是固定搭配。让我们不让它觉得冷