沉湎于某事

roll on sth───在某物上滚动

dwell on───详述；细想

hell on earth───人间炼狱

dwell angle───n.闭合角，接点闭角；凸轮等半径角

dwell angles───n.闭合角，接点闭角；凸轮等半径角

dwellings───n.民居；住处（dwelling的复数）

dwells on───详述；细想

• dwelling time
• dwell on sth
• dwell time
• dwells in
• dwelling on the past
• dwell on
• dweller definition
• dwelled pendant