dwell
verb [ I usually + adv/prep ] formal uk/dwel/ us/dwel/ dwelt or dwelled | dwelt or dwelled
居住，栖身
to live in a place or in a particular way
She dwelt in remote parts of Asia for many years. 她在亚洲边远地区居住了很多年。
Phrasal verb
dwell on somethingC1 老是想着，一直在说（尤指不好或令人不快之事）
to keep thinking or talking about something, especially something bad or unpleasant
In his speech, he dwelt on the plight of the sick and the hungry. 演讲时他一直在说遭受疾病和饥饿折磨的人们所处的困境。