to put yourself or something between two things, people, or groups, especially in order to stop them doing something

The teacher interposed herself between the two snarling boys. 老师对两个吵嘴的男孩进行了调解。

to interrupt someone

[ + speech ] "I can't agree with you, Mr Heath," he interposed. 他插话道：“希思克利夫先生，我不能同意你的观点。”