a change to an opposite direction, position, or course of action 反向,反转,倒转,颠倒 a dramatic reversal in population decline in the Alps. 阿尔卑斯山地区人口下降的大逆转。 [mass noun]the reversal of tidal currents. 潮流的回流。 ■(Law)an annulment of a judgement, sentence, or decree made by a lower court or authority (律)(对下级法院或权力机构裁决、宣判或法令的)撤销,废弃 a reversal by the House of Lords of the Court of Appeal's decision. 上议院对上诉法院判决的撤销。 ■an adverse change of fortune (运气)逆转 the champions suffered a League reversal at Gloucester last month. 上月冠军队在格洛斯特联赛比赛中运气逆转。 ■[mass noun](Photography)direct production of a positive image from an exposed film or plate; direct reproduction of a positive or negative image (摄)反转,逆转
语源
late 15th cent. (as a legal term): from the verb reverse + -al