assumevt.假定；设想；承担；(想当然的)认为；假装assume the lead开始处于领导地位assume the mask戴假面具; 掩盖真面目assume his post上任assume ownership[法] 行使所有权assume liabilityv.承担责任assume authority掌权assume an air of装出 ... 的样子assume an accent带有口音assume obligation[法] 担负义务assume leadership担任领导职务